52311625 has 8 divisors (see below), whose sum is σ = 65285064. Its totient is φ = 41849200.

The previous prime is 52311559. The next prime is 52311629. The reversal of 52311625 is 52611325.

52311625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9801 + 52301824 = 99^2 + 7232^2 .

It is not a de Polignac number, because 52311625 - 2¹⁷ = 52180553 is a prime.

It is a super-2 number, since 2×52311625² = 5473012220281250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52311625.

It is not an unprimeable number, because it can be changed into a prime (52311629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209122 + ... + 209371.

It is an arithmetic number, because the mean of its divisors is an integer number (8160633).

Almost surely, 2^52311625 is an apocalyptic number.

It is an amenable number.

52311625 is a deficient number, since it is larger than the sum of its proper divisors (12973439).

52311625 is an equidigital number, since it uses as much as digits as its factorization.

52311625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418508 (or 418498 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 52311625 is about 7232.6775816429. The cubic root of 52311625 is about 373.9952361962.

The spelling of 52311625 in words is "fifty-two million, three hundred eleven thousand, six hundred twenty-five".