522825969 has 4 divisors (see below), whose sum is σ = 697101296. Its totient is φ = 348550644.

The previous prime is 522825959. The next prime is 522825997. The reversal of 522825969 is 969528225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 522825969 - 2²⁰ = 521777393 is a prime.

It is a super-2 number, since 2×522825969² = 546693987721577922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (522825959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87137659 + ... + 87137664.

It is an arithmetic number, because the mean of its divisors is an integer number (174275324).

Almost surely, 2^522825969 is an apocalyptic number.

It is an amenable number.

522825969 is a deficient number, since it is larger than the sum of its proper divisors (174275327).

522825969 is a wasteful number, since it uses less digits than its factorization.

522825969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174275326.

The product of its digits is 777600, while the sum is 48.

The square root of 522825969 is about 22865.3880133270. The cubic root of 522825969 is about 805.5992446651.

The spelling of 522825969 in words is "five hundred twenty-two million, eight hundred twenty-five thousand, nine hundred sixty-nine".