971315570 has 32 divisors (see below), whose sum is σ = 1853118000. Its totient is φ = 365295616.

The previous prime is 971315567. The next prime is 971315573. The reversal of 971315570 is 75513179.

It is an interprime number because it is at equal distance from previous prime (971315567) and next prime (971315573).

It can be written as a sum of positive squares in 8 ways, for example, as 968516641 + 2798929 = 31121^2 + 1673^2 .

It is not an unprimeable number, because it can be changed into a prime (971315573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206606 + ... + 211254.

Almost surely, 2^971315570 is an apocalyptic number.

971315570 is a deficient number, since it is larger than the sum of its proper divisors (881802430).

971315570 is a wasteful number, since it uses less digits than its factorization.

971315570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902.

The product of its (nonzero) digits is 33075, while the sum is 38.

The square root of 971315570 is about 31165.9360520425. The cubic root of 971315570 is about 990.3456161584.

The spelling of 971315570 in words is "nine hundred seventy-one million, three hundred fifteen thousand, five hundred seventy".