913601971 has 2 divisors, whose sum is σ = 913601972. Its totient is φ = 913601970.

The previous prime is 913601959. The next prime is 913601987. The reversal of 913601971 is 179106319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 913601971 - 2¹⁵ = 913569203 is a prime.

It is a super-2 number, since 2×913601971² = 1669337122830169682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 913601971.

It is not a weakly prime, because it can be changed into another prime (913601911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456800985 + 456800986.

It is an arithmetic number, because the mean of its divisors is an integer number (456800986).

Almost surely, 2^913601971 is an apocalyptic number.

913601971 is a deficient number, since it is larger than the sum of its proper divisors (1).

913601971 is an equidigital number, since it uses as much as digits as its factorization.

913601971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 913601971 is about 30225.8493842605. The cubic root of 913601971 is about 970.3289956394.

The spelling of 913601971 in words is "nine hundred thirteen million, six hundred one thousand, nine hundred seventy-one".