113206649 has 2 divisors, whose sum is σ = 113206650. Its totient is φ = 113206648.

The previous prime is 113206609. The next prime is 113206651. The reversal of 113206649 is 946602311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56851600 + 56355049 = 7540^2 + 7507^2 .

It is a cyclic number.

It is not a de Polignac number, because 113206649 - 2²⁴ = 96429433 is a prime.

Together with 113206651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113206609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56603324 + 56603325.

It is an arithmetic number, because the mean of its divisors is an integer number (56603325).

Almost surely, 2^113206649 is an apocalyptic number.

It is an amenable number.

113206649 is a deficient number, since it is larger than the sum of its proper divisors (1).

113206649 is an equidigital number, since it uses as much as digits as its factorization.

113206649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 113206649 is about 10639.8613242843. The cubic root of 113206649 is about 483.7533420348.

The spelling of 113206649 in words is "one hundred thirteen million, two hundred six thousand, six hundred forty-nine".