971613597 has 8 divisors (see below), whose sum is σ = 1371689856. Its totient is φ = 609639872.

The previous prime is 971613569. The next prime is 971613619. The reversal of 971613597 is 795316179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 971613597 - 2¹⁰ = 971612573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971613527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9525573 + ... + 9525674.

It is an arithmetic number, because the mean of its divisors is an integer number (171461232).

Almost surely, 2^971613597 is an apocalyptic number.

It is an amenable number.

971613597 is a deficient number, since it is larger than the sum of its proper divisors (400076259).

971613597 is a wasteful number, since it uses less digits than its factorization.

971613597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19051267.

The product of its digits is 357210, while the sum is 48.

The square root of 971613597 is about 31170.7169792419. The cubic root of 971613597 is about 990.4468944523.

The spelling of 971613597 in words is "nine hundred seventy-one million, six hundred thirteen thousand, five hundred ninety-seven".