113555947 has 2 divisors, whose sum is σ = 113555948. Its totient is φ = 113555946.

The previous prime is 113555941. The next prime is 113555977. The reversal of 113555947 is 749555311.

It is a weak prime.

It is an emirp because it is prime and its reverse (749555311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113555947 is a prime.

It is not a weakly prime, because it can be changed into another prime (113555941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56777973 + 56777974.

It is an arithmetic number, because the mean of its divisors is an integer number (56777974).

Almost surely, 2^113555947 is an apocalyptic number.

113555947 is a deficient number, since it is larger than the sum of its proper divisors (1).

113555947 is an equidigital number, since it uses as much as digits as its factorization.

113555947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 40.

The square root of 113555947 is about 10656.2632756516. The cubic root of 113555947 is about 484.2503699166.

The spelling of 113555947 in words is "one hundred thirteen million, five hundred fifty-five thousand, nine hundred forty-seven".