521056802 has 16 divisors (see below), whose sum is σ = 894611520. Its totient is φ = 222967248.

The previous prime is 521056801. The next prime is 521056813. The reversal of 521056802 is 208650125.

It is not an unprimeable number, because it can be changed into a prime (521056801) 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, 19013 + ... + 37464.

It is an arithmetic number, because the mean of its divisors is an integer number (55913220).

Almost surely, 2^521056802 is an apocalyptic number.

521056802 is a deficient number, since it is larger than the sum of its proper divisors (373554718).

521056802 is a wasteful number, since it uses less digits than its factorization.

521056802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57145.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 521056802 is about 22826.6686575155. The cubic root of 521056802 is about 804.6895409182.

The spelling of 521056802 in words is "five hundred twenty-one million, fifty-six thousand, eight hundred two".