15481125 has 80 divisors (see below), whose sum is σ = 31711680. Its totient is φ = 7452000.

The previous prime is 15481073. The next prime is 15481153. The reversal of 15481125 is 52118451.

15481125 is a `hidden beast` number, since 1 + 548 + 112 + 5 = 666.

15481125 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15481125 - 2⁶ = 15481061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 111306 + ... + 111444.

It is an arithmetic number, because the mean of its divisors is an integer number (396396).

Almost surely, 2^15481125 is an apocalyptic number.

15481125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15481125 is an abundant number, since it is smaller than the sum of its proper divisors (16230555).

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

15481125 is a wasteful number, since it uses less digits than its factorization.

15481125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 158 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 15481125 is about 3934.6060793935. The cubic root of 15481125 is about 249.2302993423.

15481125 divided by its sum of digits (27) gives a palindrome (573375).

Adding to 15481125 its reverse (52118451), we get a palindrome (67599576).

The spelling of 15481125 in words is "fifteen million, four hundred eighty-one thousand, one hundred twenty-five".