113191497 has 6 divisors (see below), whose sum is σ = 163498842. Its totient is φ = 75460992.

The previous prime is 113191489. The next prime is 113191501. The reversal of 113191497 is 794191311.

It can be written as a sum of positive squares in only one way, i.e., 104775696 + 8415801 = 10236^2 + 2901^2 .

It is not a de Polignac number, because 113191497 - 2³ = 113191489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113198497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6288408 + ... + 6288425.

It is an arithmetic number, because the mean of its divisors is an integer number (27249807).

Almost surely, 2^113191497 is an apocalyptic number.

It is an amenable number.

113191497 is a deficient number, since it is larger than the sum of its proper divisors (50307345).

113191497 is a wasteful number, since it uses less digits than its factorization.

113191497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12576839 (or 12576836 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 113191497 is about 10639.1492611017. The cubic root of 113191497 is about 483.7317586215.

The spelling of 113191497 in words is "one hundred thirteen million, one hundred ninety-one thousand, four hundred ninety-seven".