971670513 has 32 divisors (see below), whose sum is σ = 1502945280. Its totient is φ = 551855360.

The previous prime is 971670503. The next prime is 971670517. The reversal of 971670513 is 315076179.

It is not a de Polignac number, because 971670513 - 2⁶ = 971670449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (971670517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130456 + ... + 137702.

It is an arithmetic number, because the mean of its divisors is an integer number (46967040).

Almost surely, 2^971670513 is an apocalyptic number.

It is an amenable number.

971670513 is a deficient number, since it is larger than the sum of its proper divisors (531274767).

971670513 is a wasteful number, since it uses less digits than its factorization.

971670513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 971670513 is about 31171.6299381345. The cubic root of 971670513 is about 990.4662338190.

The spelling of 971670513 in words is "nine hundred seventy-one million, six hundred seventy thousand, five hundred thirteen".