113520401 has 2 divisors, whose sum is σ = 113520402. Its totient is φ = 113520400.

The previous prime is 113520397. The next prime is 113520427. The reversal of 113520401 is 104025311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105596176 + 7924225 = 10276^2 + 2815^2 .

It is a cyclic number.

It is not a de Polignac number, because 113520401 - 2² = 113520397 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 113520401.

It is not a weakly prime, because it can be changed into another prime (113420401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56760200 + 56760201.

It is an arithmetic number, because the mean of its divisors is an integer number (56760201).

Almost surely, 2^113520401 is an apocalyptic number.

It is an amenable number.

113520401 is a deficient number, since it is larger than the sum of its proper divisors (1).

113520401 is an equidigital number, since it uses as much as digits as its factorization.

113520401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 113520401 is about 10654.5952996817. The cubic root of 113520401 is about 484.1998369401.

Adding to 113520401 its reverse (104025311), we get a palindrome (217545712).

The spelling of 113520401 in words is "one hundred thirteen million, five hundred twenty thousand, four hundred one".