15125380 has 24 divisors (see below), whose sum is σ = 31972248. Its totient is φ = 6010368.

The previous prime is 15125371. The next prime is 15125423. The reversal of 15125380 is 8352151.

It is a happy number.

15125380 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 8836 + 15116544 = 94^2 + 3888^2 .

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, 732 + ... + 5548.

It is an arithmetic number, because the mean of its divisors is an integer number (1332177).

Almost surely, 2^15125380 is an apocalyptic number.

15125380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15125380 is an abundant number, since it is smaller than the sum of its proper divisors (16846868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15125380 is a wasteful number, since it uses less digits than its factorization.

15125380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983 (or 4981 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 15125380 is about 3889.1361508695. The cubic root of 15125380 is about 247.3064432340.

The spelling of 15125380 in words is "fifteen million, one hundred twenty-five thousand, three hundred eighty".