1113425657 has 2 divisors, whose sum is σ = 1113425658. Its totient is φ = 1113425656.

The previous prime is 1113425633. The next prime is 1113425671. The reversal of 1113425657 is 7565243111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 973689616 + 139736041 = 31204^2 + 11821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113425657 - 2¹⁶ = 1113360121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113425627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556712828 + 556712829.

It is an arithmetic number, because the mean of its divisors is an integer number (556712829).

Almost surely, 2^1113425657 is an apocalyptic number.

It is an amenable number.

1113425657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113425657 is an equidigital number, since it uses as much as digits as its factorization.

1113425657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 1113425657 is about 33368.0334601846. The cubic root of 1113425657 is about 1036.4628530759.

Adding to 1113425657 its reverse (7565243111), we get a palindrome (8678668768).

The spelling of 1113425657 in words is "one billion, one hundred thirteen million, four hundred twenty-five thousand, six hundred fifty-seven".