15325725 has 24 divisors (see below), whose sum is σ = 25553920. Its totient is φ = 8104320.

The previous prime is 15325703. The next prime is 15325729. The reversal of 15325725 is 52752351.

It is not a de Polignac number, because 15325725 - 2²⁰ = 14277149 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15325692 and 15325701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15325729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8721 + ... + 10329.

Almost surely, 2^15325725 is an apocalyptic number.

15325725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15325725 is a deficient number, since it is larger than the sum of its proper divisors (10228195).

15325725 is a wasteful number, since it uses less digits than its factorization.

15325725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1744 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 15325725 is about 3914.8084244315. The cubic root of 15325725 is about 248.3935662591.

It can be divided in two parts, 153 and 25725, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 15325725 in words is "fifteen million, three hundred twenty-five thousand, seven hundred twenty-five".