113570789 has 2 divisors, whose sum is σ = 113570790. Its totient is φ = 113570788.

The previous prime is 113570777. The next prime is 113570791. The reversal of 113570789 is 987075311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108472225 + 5098564 = 10415^2 + 2258^2 .

It is an emirp because it is prime and its reverse (987075311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113570789 - 2⁴ = 113570773 is a prime.

It is a super-2 number, since 2×113570789² = 25796648228165042, which contains 22 as substring.

Together with 113570791, 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 (113570729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56785394 + 56785395.

It is an arithmetic number, because the mean of its divisors is an integer number (56785395).

Almost surely, 2^113570789 is an apocalyptic number.

It is an amenable number.

113570789 is a deficient number, since it is larger than the sum of its proper divisors (1).

113570789 is an equidigital number, since it uses as much as digits as its factorization.

113570789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 113570789 is about 10656.9596508573. The cubic root of 113570789 is about 484.2714665099.

The spelling of 113570789 in words is "one hundred thirteen million, five hundred seventy thousand, seven hundred eighty-nine".