522625969 has 2 divisors, whose sum is σ = 522625970. Its totient is φ = 522625968.

The previous prime is 522625963. The next prime is 522625991. The reversal of 522625969 is 969526225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508277025 + 14348944 = 22545^2 + 3788^2 .

It is a cyclic number.

It is not a de Polignac number, because 522625969 - 2²¹ = 520528817 is a prime.

It is a super-2 number, since 2×522625969² = 546275806946377922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (522625963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261312984 + 261312985.

It is an arithmetic number, because the mean of its divisors is an integer number (261312985).

Almost surely, 2^522625969 is an apocalyptic number.

It is an amenable number.

522625969 is a deficient number, since it is larger than the sum of its proper divisors (1).

522625969 is an equidigital number, since it uses as much as digits as its factorization.

522625969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 46.

The square root of 522625969 is about 22861.0141726040. The cubic root of 522625969 is about 805.4965078671.

The spelling of 522625969 in words is "five hundred twenty-two million, six hundred twenty-five thousand, nine hundred sixty-nine".