522500252 has 6 divisors (see below), whose sum is σ = 914375448. Its totient is φ = 261250124.

The previous prime is 522500243. The next prime is 522500261. The reversal of 522500252 is 252005225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (522500243) and next prime (522500261).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65312528 + ... + 65312535.

It is an arithmetic number, because the mean of its divisors is an integer number (152395908).

Almost surely, 2^522500252 is an apocalyptic number.

It is an amenable number.

522500252 is a deficient number, since it is larger than the sum of its proper divisors (391875196).

522500252 is a wasteful number, since it uses less digits than its factorization.

522500252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130625067 (or 130625065 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 522500252 is about 22858.2644135551. The cubic root of 522500252 is about 805.4319156403.

Adding to 522500252 its reverse (252005225), we get a palindrome (774505477).

The spelling of 522500252 in words is "five hundred twenty-two million, five hundred thousand, two hundred fifty-two".