252926305 has 4 divisors (see below), whose sum is σ = 303511572. Its totient is φ = 202341040.

The previous prime is 252926281. The next prime is 252926381. The reversal of 252926305 is 503629252.

It is a happy number.

252926305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 60466176 + 192460129 = 7776^2 + 13873^2 .

It is a de Polignac number, because none of the positive numbers 2^k-252926305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25292626 + ... + 25292635.

It is an arithmetic number, because the mean of its divisors is an integer number (75877893).

Almost surely, 2^252926305 is an apocalyptic number.

It is an amenable number.

252926305 is a deficient number, since it is larger than the sum of its proper divisors (50585267).

252926305 is an equidigital number, since it uses as much as digits as its factorization.

252926305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50585266.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 252926305 is about 15903.6569693891. The cubic root of 252926305 is about 632.4089387567.

The spelling of 252926305 in words is "two hundred fifty-two million, nine hundred twenty-six thousand, three hundred five".