113048809 has 2 divisors, whose sum is σ = 113048810. Its totient is φ = 113048808.

The previous prime is 113048807. The next prime is 113048821. The reversal of 113048809 is 908840311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108743184 + 4305625 = 10428^2 + 2075^2 .

It is an emirp because it is prime and its reverse (908840311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113048809 - 2¹ = 113048807 is a prime.

Together with 113048807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113048807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56524404 + 56524405.

It is an arithmetic number, because the mean of its divisors is an integer number (56524405).

Almost surely, 2^113048809 is an apocalyptic number.

It is an amenable number.

113048809 is a deficient number, since it is larger than the sum of its proper divisors (1).

113048809 is an equidigital number, since it uses as much as digits as its factorization.

113048809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 113048809 is about 10632.4413471225. The cubic root of 113048809 is about 483.5284107775.

The spelling of 113048809 in words is "one hundred thirteen million, forty-eight thousand, eight hundred nine".