113253109 has 2 divisors, whose sum is σ = 113253110. Its totient is φ = 113253108.

The previous prime is 113253097. The next prime is 113253131. The reversal of 113253109 is 901352311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60109009 + 53144100 = 7753^2 + 7290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113253109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113253709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56626554 + 56626555.

It is an arithmetic number, because the mean of its divisors is an integer number (56626555).

Almost surely, 2^113253109 is an apocalyptic number.

It is an amenable number.

113253109 is a deficient number, since it is larger than the sum of its proper divisors (1).

113253109 is an equidigital number, since it uses as much as digits as its factorization.

113253109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 113253109 is about 10642.0443994563. The cubic root of 113253109 is about 483.8195104285.

The spelling of 113253109 in words is "one hundred thirteen million, two hundred fifty-three thousand, one hundred nine".