113553901 has 2 divisors, whose sum is σ = 113553902. Its totient is φ = 113553900.

The previous prime is 113553883. The next prime is 113553929. The reversal of 113553901 is 109355311.

It is an a-pointer prime, because the next prime (113553929) can be obtained adding 113553901 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107433225 + 6120676 = 10365^2 + 2474^2 .

It is a cyclic number.

It is not a de Polignac number, because 113553901 - 2⁷ = 113553773 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113553901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113553971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56776950 + 56776951.

It is an arithmetic number, because the mean of its divisors is an integer number (56776951).

Almost surely, 2^113553901 is an apocalyptic number.

It is an amenable number.

113553901 is a deficient number, since it is larger than the sum of its proper divisors (1).

113553901 is an equidigital number, since it uses as much as digits as its factorization.

113553901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 113553901 is about 10656.1672753387. The cubic root of 113553901 is about 484.2474615640.

The spelling of 113553901 in words is "one hundred thirteen million, five hundred fifty-three thousand, nine hundred one".