252767105 has 4 divisors (see below), whose sum is σ = 303320532. Its totient is φ = 202213680.

The previous prime is 252767093. The next prime is 252767107. The reversal of 252767105 is 501767252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 165456769 + 87310336 = 12863^2 + 9344^2 .

It is not a de Polignac number, because 252767105 - 2²⁴ = 235989889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252767107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25276706 + ... + 25276715.

It is an arithmetic number, because the mean of its divisors is an integer number (75830133).

Almost surely, 2^252767105 is an apocalyptic number.

It is an amenable number.

252767105 is a deficient number, since it is larger than the sum of its proper divisors (50553427).

252767105 is an equidigital number, since it uses as much as digits as its factorization.

252767105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50553426.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 252767105 is about 15898.6510434062. The cubic root of 252767105 is about 632.2762246919.

The spelling of 252767105 in words is "two hundred fifty-two million, seven hundred sixty-seven thousand, one hundred five".