113646497 has 4 divisors (see below), whose sum is σ = 113844036. Its totient is φ = 113448960.

The previous prime is 113646493. The next prime is 113646509. The reversal of 113646497 is 794646311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 794646311 = 25097 ⋅31663.

It can be written as a sum of positive squares in 2 ways, for example, as 68541841 + 45104656 = 8279^2 + 6716^2 .

It is a cyclic number.

It is not a de Polignac number, because 113646497 - 2² = 113646493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113646493) 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 3 ways as a sum of consecutive naturals, for example, 97904 + ... + 99057.

It is an arithmetic number, because the mean of its divisors is an integer number (28461009).

Almost surely, 2^113646497 is an apocalyptic number.

It is an amenable number.

113646497 is a deficient number, since it is larger than the sum of its proper divisors (197539).

113646497 is an equidigital number, since it uses as much as digits as its factorization.

113646497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197538.

The product of its digits is 108864, while the sum is 41.

The square root of 113646497 is about 10660.5111040700. The cubic root of 113646497 is about 484.3790501611.

The spelling of 113646497 in words is "one hundred thirteen million, six hundred forty-six thousand, four hundred ninety-seven".