521625096 has 160 divisors (see below), whose sum is σ = 1575129600. Its totient is φ = 160807680.

The previous prime is 521625079. The next prime is 521625133. The reversal of 521625096 is 690526125.

521625096 is a `hidden beast` number, since 5 + 21 + 625 + 0 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 521625096.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 461460 + ... + 462588.

It is an arithmetic number, because the mean of its divisors is an integer number (9844560).

Almost surely, 2^521625096 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 521625096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787564800).

521625096 is an abundant number, since it is smaller than the sum of its proper divisors (1053504504).

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

521625096 is a wasteful number, since it uses less digits than its factorization.

521625096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 521625096 is about 22839.1132927704. The cubic root of 521625096 is about 804.9819812589.

The spelling of 521625096 in words is "five hundred twenty-one million, six hundred twenty-five thousand, ninety-six".