113973557 has 2 divisors, whose sum is σ = 113973558. Its totient is φ = 113973556.

The previous prime is 113973547. The next prime is 113973583. The reversal of 113973557 is 755379311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75359761 + 38613796 = 8681^2 + 6214^2 .

It is an emirp because it is prime and its reverse (755379311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113973557 - 2¹² = 113969461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113973547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56986778 + 56986779.

It is an arithmetic number, because the mean of its divisors is an integer number (56986779).

Almost surely, 2^113973557 is an apocalyptic number.

It is an amenable number.

113973557 is a deficient number, since it is larger than the sum of its proper divisors (1).

113973557 is an equidigital number, since it uses as much as digits as its factorization.

113973557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 99225, while the sum is 41.

The square root of 113973557 is about 10675.8398732840. The cubic root of 113973557 is about 484.8432653285.

The spelling of 113973557 in words is "one hundred thirteen million, nine hundred seventy-three thousand, five hundred fifty-seven".