522401164252 has 24 divisors (see below), whose sum is σ = 999942773760. Its totient is φ = 236828536560.

The previous prime is 522401164249. The next prime is 522401164297. The reversal of 522401164252 is 252461104225.

It is a congruent number.

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, 15646588 + ... + 15679939.

It is an arithmetic number, because the mean of its divisors is an integer number (41664282240).

Almost surely, 2^522401164252 is an apocalyptic number.

It is an amenable number.

522401164252 is a deficient number, since it is larger than the sum of its proper divisors (477541609508).

522401164252 is a wasteful number, since it uses less digits than its factorization.

522401164252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31326921 (or 31326919 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 522401164252 its reverse (252461104225), we get a palindrome (774862268477).

The spelling of 522401164252 in words is "five hundred twenty-two billion, four hundred one million, one hundred sixty-four thousand, two hundred fifty-two".