521275002 has 16 divisors (see below), whose sum is σ = 1047844512. Its totient is φ = 172875920.

The previous prime is 521274991. The next prime is 521275021. The reversal of 521275002 is 200572125.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219324 + ... + 221687.

It is an arithmetic number, because the mean of its divisors is an integer number (65490282).

Almost surely, 2^521275002 is an apocalyptic number.

521275002 is an abundant number, since it is smaller than the sum of its proper divisors (526569510).

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

521275002 is a wasteful number, since it uses less digits than its factorization.

521275002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441213.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 521275002 is about 22831.4476544962. The cubic root of 521275002 is about 804.8018503334.

The spelling of 521275002 in words is "five hundred twenty-one million, two hundred seventy-five thousand, two".