5242500 has 90 divisors (see below), whose sum is σ = 16630614. Its totient is φ = 1392000.

The previous prime is 5242487. The next prime is 5242513. The reversal of 5242500 is 52425.

It is an interprime number because it is at equal distance from previous prime (5242487) and next prime (5242513).

It can be written as a sum of positive squares in 5 ways, for example, as 2883204 + 2359296 = 1698^2 + 1536^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 22384 + ... + 22616.

Almost surely, 2^5242500 is an apocalyptic number.

5242500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5242500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8315307).

5242500 is an abundant number, since it is smaller than the sum of its proper divisors (11388114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5242500 is a wasteful number, since it uses less digits than its factorization.

5242500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5242500 is about 2289.6506283711. The cubic root of 5242500 is about 173.7185302631.

Adding to 5242500 its reverse (52425), we get a palindrome (5294925).

Multiplying 5242500 by its reverse (52425), we get a square (274838062500 = 524250²).

5242500 divided by its reverse (52425) gives a square (100 = 10²).

The spelling of 5242500 in words is "five million, two hundred forty-two thousand, five hundred".