252044522 has 4 divisors (see below), whose sum is σ = 378066786. Its totient is φ = 126022260.

The previous prime is 252044501. The next prime is 252044561. The reversal of 252044522 is 225440252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 251254201 + 790321 = 15851^2 + 889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252044491 and 252044500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63011129 + ... + 63011132.

Almost surely, 2^252044522 is an apocalyptic number.

252044522 is a deficient number, since it is larger than the sum of its proper divisors (126022264).

252044522 is a wasteful number, since it uses less digits than its factorization.

252044522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126022263.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 252044522 is about 15875.9101156438. The cubic root of 252044522 is about 631.6731555861.

Adding to 252044522 its reverse (225440252), we get a palindrome (477484774).

The spelling of 252044522 in words is "two hundred fifty-two million, forty-four thousand, five hundred twenty-two".