252780258 has 16 divisors (see below), whose sum is σ = 527541696. Its totient is φ = 80596560.

The previous prime is 252780247. The next prime is 252780271. The reversal of 252780258 is 852087252.

It is a happy number.

252780258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915733 + ... + 916008.

It is an arithmetic number, because the mean of its divisors is an integer number (32971356).

Almost surely, 2^252780258 is an apocalyptic number.

252780258 is an abundant number, since it is smaller than the sum of its proper divisors (274761438).

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

252780258 is a wasteful number, since it uses less digits than its factorization.

252780258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831769.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 252780258 is about 15899.0646894715. The cubic root of 252780258 is about 632.2871915526.

The spelling of 252780258 in words is "two hundred fifty-two million, seven hundred eighty thousand, two hundred fifty-eight".