252555250505 has 4 divisors (see below), whose sum is σ = 303066300612. Its totient is φ = 202044200400.

The previous prime is 252555250487. The next prime is 252555250513. The reversal of 252555250505 is 505052555252.

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 38916241984 + 213639008521 = 197272^2 + 462211^2 .

It is not a de Polignac number, because 252555250505 - 2¹⁴ = 252555234121 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, 25255525046 + ... + 25255525055.

It is an arithmetic number, because the mean of its divisors is an integer number (75766575153).

Almost surely, 2^252555250505 is an apocalyptic number.

It is an amenable number.

252555250505 is a deficient number, since it is larger than the sum of its proper divisors (50511050107).

252555250505 is an equidigital number, since it uses as much as digits as its factorization.

252555250505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50511050106.

The product of its (nonzero) digits is 625000, while the sum is 41.

The spelling of 252555250505 in words is "two hundred fifty-two billion, five hundred fifty-five million, two hundred fifty thousand, five hundred five".