521095996 has 6 divisors (see below), whose sum is σ = 911918000. Its totient is φ = 260547996.

The previous prime is 521095963. The next prime is 521095999. The reversal of 521095996 is 699590125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521095999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65136996 + ... + 65137003.

Almost surely, 2^521095996 is an apocalyptic number.

It is an amenable number.

521095996 is a deficient number, since it is larger than the sum of its proper divisors (390822004).

521095996 is a wasteful number, since it uses less digits than its factorization.

521095996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130274003 (or 130274001 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 46.

The square root of 521095996 is about 22827.5271547314. The cubic root of 521095996 is about 804.7097167167.

The spelling of 521095996 in words is "five hundred twenty-one million, ninety-five thousand, nine hundred ninety-six".