252625162805 has 4 divisors (see below), whose sum is σ = 303150195372. Its totient is φ = 202100130240.

The previous prime is 252625162799. The next prime is 252625162807. The reversal of 252625162805 is 508261526252.

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 45376242289 + 207248920516 = 213017^2 + 455246^2 .

It is not a de Polignac number, because 252625162805 - 2²⁸ = 252356727349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252625162807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25262516276 + ... + 25262516285.

It is an arithmetic number, because the mean of its divisors is an integer number (75787548843).

Almost surely, 2^252625162805 is an apocalyptic number.

It is an amenable number.

252625162805 is a deficient number, since it is larger than the sum of its proper divisors (50525032567).

252625162805 is an equidigital number, since it uses as much as digits as its factorization.

252625162805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50525032566.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 252625162805 in words is "two hundred fifty-two billion, six hundred twenty-five million, one hundred sixty-two thousand, eight hundred five".