252778910 has 16 divisors (see below), whose sum is σ = 458477712. Its totient is φ = 100339200.

The previous prime is 252778909. The next prime is 252778913. The reversal of 252778910 is 19877252.

252778910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252778913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95171 + ... + 97790.

It is an arithmetic number, because the mean of its divisors is an integer number (28654857).

Almost surely, 2^252778910 is an apocalyptic number.

252778910 is a deficient number, since it is larger than the sum of its proper divisors (205698802).

252778910 is a wasteful number, since it uses less digits than its factorization.

252778910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193099.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 252778910 is about 15899.0222969842. The cubic root of 252778910 is about 632.2860676191.

The spelling of 252778910 in words is "two hundred fifty-two million, seven hundred seventy-eight thousand, nine hundred ten".