15252625 has 8 divisors (see below), whose sum is σ = 19035432. Its totient is φ = 12202000.

The previous prime is 15252613. The next prime is 15252631. The reversal of 15252625 is 52625251.

15252625 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 1324801 + 13927824 = 1151^2 + 3732^2 .

It is not a de Polignac number, because 15252625 - 2⁵ = 15252593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15252593 and 15252602.

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, 60886 + ... + 61135.

It is an arithmetic number, because the mean of its divisors is an integer number (2379429).

Almost surely, 2^15252625 is an apocalyptic number.

It is an amenable number.

15252625 is a deficient number, since it is larger than the sum of its proper divisors (3782807).

15252625 is an equidigital number, since it uses as much as digits as its factorization.

15252625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122036 (or 122026 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 15252625 is about 3905.4609203012. The cubic root of 15252625 is about 247.9980109535.

Adding to 15252625 its reverse (52625251), we get a palindrome (67877876).

The spelling of 15252625 in words is "fifteen million, two hundred fifty-two thousand, six hundred twenty-five".