971152417 has 2 divisors, whose sum is σ = 971152418. Its totient is φ = 971152416.

The previous prime is 971152393. The next prime is 971152439. The reversal of 971152417 is 714251179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 960938001 + 10214416 = 30999^2 + 3196^2 .

It is a cyclic number.

It is not a de Polignac number, because 971152417 - 2²⁷ = 836934689 is a prime.

It is not a weakly prime, because it can be changed into another prime (971152477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485576208 + 485576209.

It is an arithmetic number, because the mean of its divisors is an integer number (485576209).

Almost surely, 2^971152417 is an apocalyptic number.

It is an amenable number.

971152417 is a deficient number, since it is larger than the sum of its proper divisors (1).

971152417 is an equidigital number, since it uses as much as digits as its factorization.

971152417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 37.

The square root of 971152417 is about 31163.3184529504. The cubic root of 971152417 is about 990.2901632205.

It can be divided in two parts, 9711 and 52417, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 971152417 in words is "nine hundred seventy-one million, one hundred fifty-two thousand, four hundred seventeen".