252625402 has 4 divisors (see below), whose sum is σ = 378938106. Its totient is φ = 126312700.

The previous prime is 252625393. The next prime is 252625427. The reversal of 252625402 is 204526252.

252625402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 185204881 + 67420521 = 13609^2 + 8211^2 .

It is a super-3 number, since 3×252625402³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63156349 + ... + 63156352.

Almost surely, 2^252625402 is an apocalyptic number.

252625402 is a deficient number, since it is larger than the sum of its proper divisors (126312704).

252625402 is a wasteful number, since it uses less digits than its factorization.

252625402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126312703.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 252625402 is about 15894.1939713846. The cubic root of 252625402 is about 632.1580497871.

The spelling of 252625402 in words is "two hundred fifty-two million, six hundred twenty-five thousand, four hundred two".