252004522 has 24 divisors (see below), whose sum is σ = 474854688. Its totient is φ = 98182920.

The previous prime is 252004469. The next prime is 252004531. The reversal of 252004522 is 225400252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 252004493 and 252004502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72688 + ... + 76075.

It is an arithmetic number, because the mean of its divisors is an integer number (19785612).

Almost surely, 2^252004522 is an apocalyptic number.

252004522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252004522 is a deficient number, since it is larger than the sum of its proper divisors (222850166).

252004522 is a wasteful number, since it uses less digits than its factorization.

252004522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148794 (or 148783 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 252004522 is about 15874.6502953608. The cubic root of 252004522 is about 631.6397378618.

Adding to 252004522 its reverse (225400252), we get a palindrome (477404774).

The spelling of 252004522 in words is "two hundred fifty-two million, four thousand, five hundred twenty-two".