15240925 has 48 divisors (see below), whose sum is σ = 23569920. Its totient is φ = 9538560.

The previous prime is 15240923. The next prime is 15240937. The reversal of 15240925 is 52904251.

It is not a de Polignac number, because 15240925 - 2¹ = 15240923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15240893 and 15240902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15240923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139771 + ... + 139879.

It is an arithmetic number, because the mean of its divisors is an integer number (491040).

Almost surely, 2^15240925 is an apocalyptic number.

It is an amenable number.

15240925 is a deficient number, since it is larger than the sum of its proper divisors (8328995).

15240925 is a wasteful number, since it uses less digits than its factorization.

15240925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 15240925 is about 3903.9627303549. The cubic root of 15240925 is about 247.9345832056.

The spelling of 15240925 in words is "fifteen million, two hundred forty thousand, nine hundred twenty-five".