113525421 has 8 divisors (see below), whose sum is σ = 151453344. Its totient is φ = 75640560.

The previous prime is 113525383. The next prime is 113525429. The reversal of 113525421 is 124525311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113525421 - 2²¹ = 111428269 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 113525391 and 113525400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113525429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4006 + ... + 15591.

It is an arithmetic number, because the mean of its divisors is an integer number (18931668).

Almost surely, 2^113525421 is an apocalyptic number.

It is an amenable number.

113525421 is a deficient number, since it is larger than the sum of its proper divisors (37927923).

113525421 is a wasteful number, since it uses less digits than its factorization.

113525421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21531.

The product of its digits is 1200, while the sum is 24.

The square root of 113525421 is about 10654.8308761801. The cubic root of 113525421 is about 484.2069741222.

The spelling of 113525421 in words is "one hundred thirteen million, five hundred twenty-five thousand, four hundred twenty-one".