913117841 has 2 divisors, whose sum is σ = 913117842. Its totient is φ = 913117840.

The previous prime is 913117837. The next prime is 913117861. The reversal of 913117841 is 148711319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493728400 + 419389441 = 22220^2 + 20479^2 .

It is a cyclic number.

It is not a de Polignac number, because 913117841 - 2² = 913117837 is a prime.

It is not a weakly prime, because it can be changed into another prime (913117811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456558920 + 456558921.

It is an arithmetic number, because the mean of its divisors is an integer number (456558921).

Almost surely, 2^913117841 is an apocalyptic number.

It is an amenable number.

913117841 is a deficient number, since it is larger than the sum of its proper divisors (1).

913117841 is an equidigital number, since it uses as much as digits as its factorization.

913117841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 35.

The square root of 913117841 is about 30217.8397805005. The cubic root of 913117841 is about 970.1575685503.

The spelling of 913117841 in words is "nine hundred thirteen million, one hundred seventeen thousand, eight hundred forty-one".