252776474 has 4 divisors (see below), whose sum is σ = 379164714. Its totient is φ = 126388236.

The previous prime is 252776453. The next prime is 252776483. The reversal of 252776474 is 474677252.

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., 230827249 + 21949225 = 15193^2 + 4685^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63194117 + ... + 63194120.

Almost surely, 2^252776474 is an apocalyptic number.

252776474 is a deficient number, since it is larger than the sum of its proper divisors (126388240).

252776474 is a wasteful number, since it uses less digits than its factorization.

252776474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126388239.

The product of its digits is 658560, while the sum is 44.

The square root of 252776474 is about 15898.9456883153. The cubic root of 252776474 is about 632.2840365242.

The spelling of 252776474 in words is "two hundred fifty-two million, seven hundred seventy-six thousand, four hundred seventy-four".