113213497 has 2 divisors, whose sum is σ = 113213498. Its totient is φ = 113213496.

The previous prime is 113213483. The next prime is 113213549. The reversal of 113213497 is 794312311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61214976 + 51998521 = 7824^2 + 7211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113213497 is a prime.

It is not a weakly prime, because it can be changed into another prime (113213407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606748 + 56606749.

It is an arithmetic number, because the mean of its divisors is an integer number (56606749).

Almost surely, 2^113213497 is an apocalyptic number.

It is an amenable number.

113213497 is a deficient number, since it is larger than the sum of its proper divisors (1).

113213497 is an equidigital number, since it uses as much as digits as its factorization.

113213497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 113213497 is about 10640.1831281233. The cubic root of 113213497 is about 483.7630961029.

The spelling of 113213497 in words is "one hundred thirteen million, two hundred thirteen thousand, four hundred ninety-seven".