252535805 has 4 divisors (see below), whose sum is σ = 303042972. Its totient is φ = 202028640.

The previous prime is 252535793. The next prime is 252535813. The reversal of 252535805 is 508535252.

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 57123364 + 195412441 = 7558^2 + 13979^2 .

It is not a de Polignac number, because 252535805 - 2¹² = 252531709 is a prime.

It is a Duffinian number.

It is a congruent 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, 25253576 + ... + 25253585.

It is an arithmetic number, because the mean of its divisors is an integer number (75760743).

Almost surely, 2^252535805 is an apocalyptic number.

It is an amenable number.

252535805 is a deficient number, since it is larger than the sum of its proper divisors (50507167).

252535805 is an equidigital number, since it uses as much as digits as its factorization.

252535805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50507166.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 252535805 is about 15891.3751764912. The cubic root of 252535805 is about 632.0833064957.

The spelling of 252535805 in words is "two hundred fifty-two million, five hundred thirty-five thousand, eight hundred five".