1252524522 has 16 divisors (see below), whose sum is σ = 2512621152. Its totient is φ = 416246160.

The previous prime is 1252524503. The next prime is 1252524551. The reversal of 1252524522 is 2254252521.

It is a super-2 number, since 2×1252524522² = 3137635356422656968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1252524522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313353 + ... + 317324.

It is an arithmetic number, because the mean of its divisors is an integer number (157038822).

Almost surely, 2^1252524522 is an apocalyptic number.

1252524522 is an abundant number, since it is smaller than the sum of its proper divisors (1260096630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252524522 is a wasteful number, since it uses less digits than its factorization.

1252524522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631013.

The product of its digits is 16000, while the sum is 30.

The square root of 1252524522 is about 35391.0231838527. The cubic root of 1252524522 is about 1077.9420463978.

The spelling of 1252524522 in words is "one billion, two hundred fifty-two million, five hundred twenty-four thousand, five hundred twenty-two".