115213825 has 12 divisors (see below), whose sum is σ = 147474688. Its totient is φ = 89197200.

The previous prime is 115213823. The next prime is 115213829. The reversal of 115213825 is 528312511.

It is not a de Polignac number, because 115213825 - 2¹ = 115213823 is a prime.

It is a super-2 number, since 2×115213825² = 26548450942261250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115213793 and 115213802.

It is not an unprimeable number, because it can be changed into a prime (115213823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73557 + ... + 75106.

Almost surely, 2^115213825 is an apocalyptic number.

It is an amenable number.

115213825 is a deficient number, since it is larger than the sum of its proper divisors (32260863).

115213825 is a wasteful number, since it uses less digits than its factorization.

115213825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148704 (or 148699 counting only the distinct ones).

The product of its digits is 2400, while the sum is 28.

The square root of 115213825 is about 10733.7703068400. The cubic root of 115213825 is about 486.5956233216.

The spelling of 115213825 in words is "one hundred fifteen million, two hundred thirteen thousand, eight hundred twenty-five".