113632681 has 2 divisors, whose sum is σ = 113632682. Its totient is φ = 113632680.

The previous prime is 113632667. The next prime is 113632741. The reversal of 113632681 is 186236311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59536656 + 54096025 = 7716^2 + 7355^2 .

It is a cyclic number.

It is not a de Polignac number, because 113632681 - 2¹⁹ = 113108393 is a prime.

It is a super-2 number, since 2×113632681² = 25824772382495522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113632481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56816340 + 56816341.

It is an arithmetic number, because the mean of its divisors is an integer number (56816341).

Almost surely, 2^113632681 is an apocalyptic number.

It is an amenable number.

113632681 is a deficient number, since it is larger than the sum of its proper divisors (1).

113632681 is an equidigital number, since it uses as much as digits as its factorization.

113632681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 113632681 is about 10659.8630854247. The cubic root of 113632681 is about 484.3594207185.

Adding to 113632681 its reverse (186236311), we get a palindrome (299868992).

The spelling of 113632681 in words is "one hundred thirteen million, six hundred thirty-two thousand, six hundred eighty-one".