113577661 has 2 divisors, whose sum is σ = 113577662. Its totient is φ = 113577660.

The previous prime is 113577643. The next prime is 113577683. The reversal of 113577661 is 166775311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66928761 + 46648900 = 8181^2 + 6830^2 .

It is a cyclic number.

It is not a de Polignac number, because 113577661 - 2¹¹ = 113575613 is a prime.

It is equal to p_6496255 and since 113577661 and 6496255 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113577661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113577361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56788830 + 56788831.

It is an arithmetic number, because the mean of its divisors is an integer number (56788831).

Almost surely, 2^113577661 is an apocalyptic number.

It is an amenable number.

113577661 is a deficient number, since it is larger than the sum of its proper divisors (1).

113577661 is an equidigital number, since it uses as much as digits as its factorization.

113577661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The square root of 113577661 is about 10657.2820643915. The cubic root of 113577661 is about 484.2812338289.

The spelling of 113577661 in words is "one hundred thirteen million, five hundred seventy-seven thousand, six hundred sixty-one".