2485520 has 20 divisors (see below), whose sum is σ = 5779020. Its totient is φ = 994176.

The previous prime is 2485513. The next prime is 2485537. The reversal of 2485520 is 255842.

It can be written as a sum of positive squares in 2 ways, for example, as 1149184 + 1336336 = 1072^2 + 1156^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2485520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15455 + ... + 15614.

It is an arithmetic number, because the mean of its divisors is an integer number (288951).

2^2485520 is an apocalyptic number.

2485520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2485520 is an abundant number, since it is smaller than the sum of its proper divisors (3293500).

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

2485520 is a wasteful number, since it uses less digits than its factorization.

2485520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31082 (or 31076 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2485520 is about 1576.5532024007. The cubic root of 2485520 is about 135.4583415190.

The spelling of 2485520 in words is "two million, four hundred eighty-five thousand, five hundred twenty".