252563732965 has 8 divisors (see below), whose sum is σ = 308044946808. Its totient is φ = 198738674880.

The previous prime is 252563732959. The next prime is 252563732999. The reversal of 252563732965 is 569237365252.

It can be written as a sum of positive squares in 4 ways, for example, as 26475845796 + 226087887169 = 162714^2 + 475487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252563732965 - 2³ = 252563732957 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 7 ways as a sum of consecutive naturals, for example, 414038602 + ... + 414039211.

It is an arithmetic number, because the mean of its divisors is an integer number (38505618351).

Almost surely, 2^252563732965 is an apocalyptic number.

It is an amenable number.

252563732965 is a deficient number, since it is larger than the sum of its proper divisors (55481213843).

252563732965 is an equidigital number, since it uses as much as digits as its factorization.

252563732965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828077879.

The product of its digits is 20412000, while the sum is 55.

The spelling of 252563732965 in words is "two hundred fifty-two billion, five hundred sixty-three million, seven hundred thirty-two thousand, nine hundred sixty-five".