522539425 has 24 divisors (see below), whose sum is σ = 683388800. Its totient is φ = 395254080.

The previous prime is 522539399. The next prime is 522539431. The reversal of 522539425 is 524935225.

It is a happy number.

It is not a de Polignac number, because 522539425 - 2¹¹ = 522537377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393112 + ... + 394438.

Almost surely, 2^522539425 is an apocalyptic number.

It is an amenable number.

522539425 is a deficient number, since it is larger than the sum of its proper divisors (160849375).

522539425 is a wasteful number, since it uses less digits than its factorization.

522539425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2180 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 522539425 is about 22859.1212648256. The cubic root of 522539425 is about 805.4520434749.

The spelling of 522539425 in words is "five hundred twenty-two million, five hundred thirty-nine thousand, four hundred twenty-five".