116569457 has 2 divisors, whose sum is σ = 116569458. Its totient is φ = 116569456.

The previous prime is 116569417. The next prime is 116569463. The reversal of 116569457 is 754965611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102738496 + 13830961 = 10136^2 + 3719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116569457 is a prime.

It is not a weakly prime, because it can be changed into another prime (116569417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58284728 + 58284729.

It is an arithmetic number, because the mean of its divisors is an integer number (58284729).

Almost surely, 2^116569457 is an apocalyptic number.

It is an amenable number.

116569457 is a deficient number, since it is larger than the sum of its proper divisors (1).

116569457 is an equidigital number, since it uses as much as digits as its factorization.

116569457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 116569457 is about 10796.7336264261. The cubic root of 116569457 is about 488.4966515542.

The spelling of 116569457 in words is "one hundred sixteen million, five hundred sixty-nine thousand, four hundred fifty-seven".