113551597 has 2 divisors, whose sum is σ = 113551598. Its totient is φ = 113551596.

The previous prime is 113551579. The next prime is 113551609. The reversal of 113551597 is 795155311.

Together with previous prime (113551579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65512836 + 48038761 = 8094^2 + 6931^2 .

It is an emirp because it is prime and its reverse (795155311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113551597 - 2⁷ = 113551469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113551297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56775798 + 56775799.

It is an arithmetic number, because the mean of its divisors is an integer number (56775799).

Almost surely, 2^113551597 is an apocalyptic number.

It is an amenable number.

113551597 is a deficient number, since it is larger than the sum of its proper divisors (1).

113551597 is an equidigital number, since it uses as much as digits as its factorization.

113551597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23625, while the sum is 37.

The square root of 113551597 is about 10656.0591683793. The cubic root of 113551597 is about 484.2441864271.

The spelling of 113551597 in words is "one hundred thirteen million, five hundred fifty-one thousand, five hundred ninety-seven".