113643425 has 24 divisors (see below), whose sum is σ = 161692032. Its totient is φ = 77616000.

The previous prime is 113643421. The next prime is 113643449. The reversal of 113643425 is 524346311.

It is not a de Polignac number, because 113643425 - 2² = 113643421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113643421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48020 + ... + 50330.

It is an arithmetic number, because the mean of its divisors is an integer number (6737168).

Almost surely, 2^113643425 is an apocalyptic number.

It is an amenable number.

113643425 is a deficient number, since it is larger than the sum of its proper divisors (48048607).

113643425 is a wasteful number, since it uses less digits than its factorization.

113643425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609 (or 2604 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 113643425 is about 10660.3670199482. The cubic root of 113643425 is about 484.3746856744.

Adding to 113643425 its reverse (524346311), we get a palindrome (637989736).

The spelling of 113643425 in words is "one hundred thirteen million, six hundred forty-three thousand, four hundred twenty-five".