113497381 has 2 divisors, whose sum is σ = 113497382. Its totient is φ = 113497380.

The previous prime is 113497369. The next prime is 113497409. The reversal of 113497381 is 183794311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75168900 + 38328481 = 8670^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 113497381 - 2²⁵ = 79942949 is a prime.

It is a super-2 number, since 2×113497381² = 25763310987718322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113497381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113497301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56748690 + 56748691.

It is an arithmetic number, because the mean of its divisors is an integer number (56748691).

Almost surely, 2^113497381 is an apocalyptic number.

It is an amenable number.

113497381 is a deficient number, since it is larger than the sum of its proper divisors (1).

113497381 is an equidigital number, since it uses as much as digits as its factorization.

113497381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 113497381 is about 10653.5149598618. The cubic root of 113497381 is about 484.1671055729.

The spelling of 113497381 in words is "one hundred thirteen million, four hundred ninety-seven thousand, three hundred eighty-one".