252502274 has 4 divisors (see below), whose sum is σ = 378753414. Its totient is φ = 126251136.

The previous prime is 252502273. The next prime is 252502279. The reversal of 252502274 is 472205252.

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., 187005625 + 65496649 = 13675^2 + 8093^2 .

It is not an unprimeable number, because it can be changed into a prime (252502273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63125567 + ... + 63125570.

Almost surely, 2^252502274 is an apocalyptic number.

252502274 is a deficient number, since it is larger than the sum of its proper divisors (126251140).

252502274 is a wasteful number, since it uses less digits than its factorization.

252502274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126251139.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 252502274 is about 15890.3201352270. The cubic root of 252502274 is about 632.0553298378.

The spelling of 252502274 in words is "two hundred fifty-two million, five hundred two thousand, two hundred seventy-four".