971411617 has 4 divisors (see below), whose sum is σ = 1059721776. Its totient is φ = 883101460.

The previous prime is 971411561. The next prime is 971411621. The reversal of 971411617 is 716114179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-971411617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971411687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44155063 + ... + 44155084.

It is an arithmetic number, because the mean of its divisors is an integer number (264930444).

Almost surely, 2^971411617 is an apocalyptic number.

It is an amenable number.

971411617 is a deficient number, since it is larger than the sum of its proper divisors (88310159).

971411617 is a wasteful number, since it uses less digits than its factorization.

971411617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88310158.

The product of its digits is 10584, while the sum is 37.

The square root of 971411617 is about 31167.4769110366. The cubic root of 971411617 is about 990.3782580012.

The spelling of 971411617 in words is "nine hundred seventy-one million, four hundred eleven thousand, six hundred seventeen".