113593421 has 2 divisors, whose sum is σ = 113593422. Its totient is φ = 113593420.

The previous prime is 113593399. The next prime is 113593423. The reversal of 113593421 is 124395311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107536900 + 6056521 = 10370^2 + 2461^2 .

It is a cyclic number.

It is not a de Polignac number, because 113593421 - 2¹⁰ = 113592397 is a prime.

Together with 113593423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113593423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56796710 + 56796711.

It is an arithmetic number, because the mean of its divisors is an integer number (56796711).

Almost surely, 2^113593421 is an apocalyptic number.

It is an amenable number.

113593421 is a deficient number, since it is larger than the sum of its proper divisors (1).

113593421 is an equidigital number, since it uses as much as digits as its factorization.

113593421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 113593421 is about 10658.0214392729. The cubic root of 113593421 is about 484.3036323628.

The spelling of 113593421 in words is "one hundred thirteen million, five hundred ninety-three thousand, four hundred twenty-one".