25913125 has 20 divisors (see below), whose sum is σ = 37013152. Its totient is φ = 17766000.

The previous prime is 25913123. The next prime is 25913141. The reversal of 25913125 is 52131952.

It is not a de Polignac number, because 25913125 - 2¹ = 25913123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25913093 and 25913102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25913123) 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 19 ways as a sum of consecutive naturals, for example, 1414 + ... + 7336.

Almost surely, 2^25913125 is an apocalyptic number.

25913125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25913125 is a deficient number, since it is larger than the sum of its proper divisors (11100027).

25913125 is an frugal number, since it uses more digits than its factorization.

25913125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950 (or 5935 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 25913125 is about 5090.4935909988. The cubic root of 25913125 is about 295.9192811615.

The spelling of 25913125 in words is "twenty-five million, nine hundred thirteen thousand, one hundred twenty-five".