525222497 has 8 divisors (see below), whose sum is σ = 556866216. Its totient is φ = 493661952.

The previous prime is 525222479. The next prime is 525222539. The reversal of 525222497 is 794222525.

It can be written as a sum of positive squares in 4 ways, for example, as 361152016 + 164070481 = 19004^2 + 12809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525222497 - 2⁶ = 525222433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525222497.

It is not an unprimeable number, because it can be changed into a prime (525222427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7538 + ... + 33275.

It is an arithmetic number, because the mean of its divisors is an integer number (69608277).

Almost surely, 2^525222497 is an apocalyptic number.

It is an amenable number.

525222497 is a deficient number, since it is larger than the sum of its proper divisors (31643719).

525222497 is a wasteful number, since it uses less digits than its factorization.

525222497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41587.

The product of its digits is 100800, while the sum is 38.

The square root of 525222497 is about 22917.7332430587. The cubic root of 525222497 is about 806.8282697845.

The spelling of 525222497 in words is "five hundred twenty-five million, two hundred twenty-two thousand, four hundred ninety-seven".