252505492 has 6 divisors (see below), whose sum is σ = 441884618. Its totient is φ = 126252744.

The previous prime is 252505483. The next prime is 252505507. The reversal of 252505492 is 294505252.

It can be written as a sum of positive squares in only one way, i.e., 250778896 + 1726596 = 15836^2 + 1314^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31563183 + ... + 31563190.

Almost surely, 2^252505492 is an apocalyptic number.

It is an amenable number.

252505492 is a deficient number, since it is larger than the sum of its proper divisors (189379126).

252505492 is a wasteful number, since it uses less digits than its factorization.

252505492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63126377 (or 63126375 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 252505492 is about 15890.4213915176. The cubic root of 252505492 is about 632.0580148901.

The spelling of 252505492 in words is "two hundred fifty-two million, five hundred five thousand, four hundred ninety-two".