252775258 has 4 divisors (see below), whose sum is σ = 379162890. Its totient is φ = 126387628.

The previous prime is 252775241. The next prime is 252775283. The reversal of 252775258 is 852577252.

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., 166229449 + 86545809 = 12893^2 + 9303^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63193813 + ... + 63193816.

Almost surely, 2^252775258 is an apocalyptic number.

252775258 is a deficient number, since it is larger than the sum of its proper divisors (126387632).

252775258 is a wasteful number, since it uses less digits than its factorization.

252775258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126387631.

The product of its digits is 392000, while the sum is 43.

The square root of 252775258 is about 15898.9074467399. The cubic root of 252775258 is about 632.2830226395.

The spelling of 252775258 in words is "two hundred fifty-two million, seven hundred seventy-five thousand, two hundred fifty-eight".