113365997 has 2 divisors, whose sum is σ = 113365998. Its totient is φ = 113365996.

The previous prime is 113365991. The next prime is 113366053. The reversal of 113365997 is 799563311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86471401 + 26894596 = 9299^2 + 5186^2 .

It is a cyclic number.

It is not a de Polignac number, because 113365997 - 2⁴ = 113365981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113365991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56682998 + 56682999.

It is an arithmetic number, because the mean of its divisors is an integer number (56682999).

Almost surely, 2^113365997 is an apocalyptic number.

It is an amenable number.

113365997 is a deficient number, since it is larger than the sum of its proper divisors (1).

113365997 is an equidigital number, since it uses as much as digits as its factorization.

113365997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153090, while the sum is 44.

The square root of 113365997 is about 10647.3469465403. The cubic root of 113365997 is about 483.9802102989.

The spelling of 113365997 in words is "one hundred thirteen million, three hundred sixty-five thousand, nine hundred ninety-seven".