252192386 has 4 divisors (see below), whose sum is σ = 378288582. Its totient is φ = 126096192.

The previous prime is 252192379. The next prime is 252192427. The reversal of 252192386 is 683291252.

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., 230280625 + 21911761 = 15175^2 + 4681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63048095 + ... + 63048098.

Almost surely, 2^252192386 is an apocalyptic number.

252192386 is a deficient number, since it is larger than the sum of its proper divisors (126096196).

252192386 is a wasteful number, since it uses less digits than its factorization.

252192386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126096195.

The product of its digits is 51840, while the sum is 38.

The square root of 252192386 is about 15880.5662997262. The cubic root of 252192386 is about 631.7966568624.

The spelling of 252192386 in words is "two hundred fifty-two million, one hundred ninety-two thousand, three hundred eighty-six".