15115252 has 12 divisors (see below), whose sum is σ = 26506116. Its totient is φ = 7542080.

The previous prime is 15115237. The next prime is 15115253. The reversal of 15115252 is 25251151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7695076 + 7420176 = 2774^2 + 2724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15115253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543 + ... + 5710.

It is an arithmetic number, because the mean of its divisors is an integer number (2208843).

Almost surely, 2^15115252 is an apocalyptic number.

It is an amenable number.

15115252 is a deficient number, since it is larger than the sum of its proper divisors (11390864).

15115252 is a wasteful number, since it uses less digits than its factorization.

15115252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7778 (or 7776 counting only the distinct ones).

The product of its digits is 500, while the sum is 22.

The square root of 15115252 is about 3887.8338441862. The cubic root of 15115252 is about 247.2512318626.

The spelling of 15115252 in words is "fifteen million, one hundred fifteen thousand, two hundred fifty-two".