113332409 has 2 divisors, whose sum is σ = 113332410. Its totient is φ = 113332408.

The previous prime is 113332393. The next prime is 113332441. The reversal of 113332409 is 904233311.

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., 113316025 + 16384 = 10645^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 113332409 - 2⁴ = 113332393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113332459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56666204 + 56666205.

It is an arithmetic number, because the mean of its divisors is an integer number (56666205).

Almost surely, 2^113332409 is an apocalyptic number.

It is an amenable number.

113332409 is a deficient number, since it is larger than the sum of its proper divisors (1).

113332409 is an equidigital number, since it uses as much as digits as its factorization.

113332409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 113332409 is about 10645.7695353600. The cubic root of 113332409 is about 483.9324078025.

The spelling of 113332409 in words is "one hundred thirteen million, three hundred thirty-two thousand, four hundred nine".