522354025 has 6 divisors (see below), whose sum is σ = 647719022. Its totient is φ = 417883200.

The previous prime is 522353987. The next prime is 522354037. The reversal of 522354025 is 520453225.

It can be written as a sum of positive squares in 3 ways, for example, as 117418896 + 404935129 = 10836^2 + 20123^2 .

It is not a de Polignac number, because 522354025 - 2¹³ = 522345833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522353984 and 522354002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10447056 + ... + 10447105.

Almost surely, 2^522354025 is an apocalyptic number.

It is an amenable number.

522354025 is a deficient number, since it is larger than the sum of its proper divisors (125364997).

522354025 is a wasteful number, since it uses less digits than its factorization.

522354025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20894171 (or 20894166 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 522354025 is about 22855.0656310587. The cubic root of 522354025 is about 805.3567725306.

The spelling of 522354025 in words is "five hundred twenty-two million, three hundred fifty-four thousand, twenty-five".