113811625 has 16 divisors (see below), whose sum is σ = 142476048. Its totient is φ = 90768000.

The previous prime is 113811623. The next prime is 113811629. The reversal of 113811625 is 526118311.

It can be written as a sum of positive squares in 8 ways, for example, as 60652944 + 53158681 = 7788^2 + 7291^2 .

It is not a de Polignac number, because 113811625 - 2¹ = 113811623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113811593 and 113811602.

It is not an unprimeable number, because it can be changed into a prime (113811623) 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 15 ways as a sum of consecutive naturals, for example, 45405 + ... + 47845.

It is an arithmetic number, because the mean of its divisors is an integer number (8904753).

Almost surely, 2^113811625 is an apocalyptic number.

It is an amenable number.

113811625 is a deficient number, since it is larger than the sum of its proper divisors (28664423).

113811625 is an equidigital number, since it uses as much as digits as its factorization.

113811625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829 (or 2819 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 113811625 is about 10668.2531372292. The cubic root of 113811625 is about 484.6135370365.

Adding to 113811625 its reverse (526118311), we get a palindrome (639929936).

The spelling of 113811625 in words is "one hundred thirteen million, eight hundred eleven thousand, six hundred twenty-five".