113428501 has 2 divisors, whose sum is σ = 113428502. Its totient is φ = 113428500.

The previous prime is 113428493. The next prime is 113428519. The reversal of 113428501 is 105824311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58890276 + 54538225 = 7674^2 + 7385^2 .

It is a cyclic number.

It is not a de Polignac number, because 113428501 - 2³ = 113428493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113428001) 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, 56714250 + 56714251.

It is an arithmetic number, because the mean of its divisors is an integer number (56714251).

Almost surely, 2^113428501 is an apocalyptic number.

It is an amenable number.

113428501 is a deficient number, since it is larger than the sum of its proper divisors (1).

113428501 is an equidigital number, since it uses as much as digits as its factorization.

113428501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 113428501 is about 10650.2817333627. The cubic root of 113428501 is about 484.0691409660.

The spelling of 113428501 in words is "one hundred thirteen million, four hundred twenty-eight thousand, five hundred one".