113424401 has 2 divisors, whose sum is σ = 113424402. Its totient is φ = 113424400.

The previous prime is 113424371. The next prime is 113424403. The reversal of 113424401 is 104424311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112869376 + 555025 = 10624^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 113424401 - 2¹⁰ = 113423377 is a prime.

It is a Sophie Germain prime.

Together with 113424403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (113424403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56712200 + 56712201.

It is an arithmetic number, because the mean of its divisors is an integer number (56712201).

Almost surely, 2^113424401 is an apocalyptic number.

It is an amenable number.

113424401 is a deficient number, since it is larger than the sum of its proper divisors (1).

113424401 is an equidigital number, since it uses as much as digits as its factorization.

113424401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 113424401 is about 10650.0892484523. The cubic root of 113424401 is about 484.0633084890.

Adding to 113424401 its reverse (104424311), we get a palindrome (217848712).

The spelling of 113424401 in words is "one hundred thirteen million, four hundred twenty-four thousand, four hundred one".