113651601 has 16 divisors (see below), whose sum is σ = 176024448. Its totient is φ = 63878400.

The previous prime is 113651581. The next prime is 113651621. The reversal of 113651601 is 106156311.

It is an interprime number because it is at equal distance from previous prime (113651581) and next prime (113651621).

It is not a de Polignac number, because 113651601 - 2¹⁰ = 113650577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113651621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43080 + ... + 45641.

It is an arithmetic number, because the mean of its divisors is an integer number (11001528).

Almost surely, 2^113651601 is an apocalyptic number.

It is an amenable number.

113651601 is a deficient number, since it is larger than the sum of its proper divisors (62372847).

113651601 is an equidigital number, since it uses as much as digits as its factorization.

113651601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88792.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 113651601 is about 10660.7504895293. The cubic root of 113651601 is about 484.3863013999.

The spelling of 113651601 in words is "one hundred thirteen million, six hundred fifty-one thousand, six hundred one".