252777775 has 24 divisors (see below), whose sum is σ = 326541600. Its totient is φ = 193872000.

The previous prime is 252777773. The next prime is 252777793. The reversal of 252777775 is 577777252.

252777775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252777775 - 2¹ = 252777773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252777773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108321 + ... + 110629.

It is an arithmetic number, because the mean of its divisors is an integer number (13605900).

Almost surely, 2^252777775 is an apocalyptic number.

252777775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

252777775 is a deficient number, since it is larger than the sum of its proper divisors (73763825).

252777775 is a wasteful number, since it uses less digits than its factorization.

252777775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499 (or 2494 counting only the distinct ones).

The product of its digits is 1680700, while the sum is 49.

The square root of 252777775 is about 15898.9866029254. The cubic root of 252777775 is about 632.2851212772.

The spelling of 252777775 in words is "two hundred fifty-two million, seven hundred seventy-seven thousand, seven hundred seventy-five".