252530554 has 4 divisors (see below), whose sum is σ = 378795834. Its totient is φ = 126265276.

The previous prime is 252530549. The next prime is 252530573. The reversal of 252530554 is 455035252.

It is a happy number.

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., 215649225 + 36881329 = 14685^2 + 6073^2 .

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 as a sum of consecutive naturals, namely, 63132637 + ... + 63132640.

Almost surely, 2^252530554 is an apocalyptic number.

252530554 is a deficient number, since it is larger than the sum of its proper divisors (126265280).

252530554 is a wasteful number, since it uses less digits than its factorization.

252530554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126265279.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 252530554 is about 15891.2099602264. The cubic root of 252530554 is about 632.0789254768.

The spelling of 252530554 in words is "two hundred fifty-two million, five hundred thirty thousand, five hundred fifty-four".