113521625 has 32 divisors (see below), whose sum is σ = 163268352. Its totient is φ = 77193600.

The previous prime is 113521607. The next prime is 113521627. The reversal of 113521625 is 526125311.

It is not a de Polignac number, because 113521625 - 2¹⁴ = 113505241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113521594 and 113521603.

It is not an unprimeable number, because it can be changed into a prime (113521627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119402 + ... + 120348.

It is an arithmetic number, because the mean of its divisors is an integer number (5102136).

Almost surely, 2^113521625 is an apocalyptic number.

It is an amenable number.

113521625 is a deficient number, since it is larger than the sum of its proper divisors (49746727).

113521625 is an equidigital number, since it uses as much as digits as its factorization.

113521625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1096 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 113521625 is about 10654.6527395312. The cubic root of 113521625 is about 484.2015771808.

Adding to 113521625 its reverse (526125311), we get a palindrome (639646936).

The spelling of 113521625 in words is "one hundred thirteen million, five hundred twenty-one thousand, six hundred twenty-five".