113290591 has 4 divisors (see below), whose sum is σ = 113447152. Its totient is φ = 113134032.

The previous prime is 113290577. The next prime is 113290609. The reversal of 113290591 is 195092311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 195092311 = 53 ⋅3680987.

It is a cyclic number.

It is not a de Polignac number, because 113290591 - 2¹³ = 113282399 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 (113290291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77190 + ... + 78643.

It is an arithmetic number, because the mean of its divisors is an integer number (28361788).

Almost surely, 2^113290591 is an apocalyptic number.

113290591 is a deficient number, since it is larger than the sum of its proper divisors (156561).

113290591 is an equidigital number, since it uses as much as digits as its factorization.

113290591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156560.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 113290591 is about 10643.8052875839. The cubic root of 113290591 is about 483.8728791552.

The spelling of 113290591 in words is "one hundred thirteen million, two hundred ninety thousand, five hundred ninety-one".