252500778 has 12 divisors (see below), whose sum is σ = 547085058. Its totient is φ = 84166920.

The previous prime is 252500753. The next prime is 252500803. The reversal of 252500778 is 877005252.

252500778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252500753) and next prime (252500803).

It can be written as a sum of positive squares in only one way, i.e., 149010849 + 103489929 = 12207^2 + 10173^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7013893 + ... + 7013928.

Almost surely, 2^252500778 is an apocalyptic number.

252500778 is an abundant number, since it is smaller than the sum of its proper divisors (294584280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252500778 is a wasteful number, since it uses less digits than its factorization.

252500778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027829 (or 14027826 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 252500778 is about 15890.2730624744. The cubic root of 252500778 is about 632.0540815895.

The spelling of 252500778 in words is "two hundred fifty-two million, five hundred thousand, seven hundred seventy-eight".