5211520 has 64 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 1957888.

The previous prime is 5211509. The next prime is 5211523. The reversal of 5211520 is 251125.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 5211494 and 5211503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10641 + ... + 11119.

It is an arithmetic number, because the mean of its divisors is an integer number (206550).

Almost surely, 2^5211520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5211520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6609600).

5211520 is an abundant number, since it is smaller than the sum of its proper divisors (8007680).

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

5211520 is a wasteful number, since it uses less digits than its factorization.

5211520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 5211520 is about 2282.8753798664. The cubic root of 5211520 is about 173.3756635603.

Adding to 5211520 its reverse (251125), we get a palindrome (5462645).

The spelling of 5211520 in words is "five million, two hundred eleven thousand, five hundred twenty".