25147625 has 16 divisors (see below), whose sum is σ = 32752512. Its totient is φ = 19241200.

The previous prime is 25147601. The next prime is 25147631. The reversal of 25147625 is 52674152.

It is not a de Polignac number, because 25147625 - 2¹⁰ = 25146601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25147591 and 25147600.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1499 + ... + 7248.

It is an arithmetic number, because the mean of its divisors is an integer number (2047032).

Almost surely, 2^25147625 is an apocalyptic number.

25147625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25147625 is a deficient number, since it is larger than the sum of its proper divisors (7604887).

25147625 is an equidigital number, since it uses as much as digits as its factorization.

25147625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785 (or 8775 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 25147625 is about 5014.7407709671. The cubic root of 25147625 is about 292.9761888185.

The spelling of 25147625 in words is "twenty-five million, one hundred forty-seven thousand, six hundred twenty-five".