971670529 has 4 divisors (see below), whose sum is σ = 972145876. Its totient is φ = 971195184.

The previous prime is 971670517. The next prime is 971670551. The reversal of 971670529 is 925076179.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 925076179 = 2027 ⋅456377.

It can be written as a sum of positive squares in 2 ways, for example, as 385062129 + 586608400 = 19623^2 + 24220^2 .

It is a cyclic number.

It is not a de Polignac number, because 971670529 - 2²⁵ = 938116097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971670569) 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, 234594 + ... + 238699.

It is an arithmetic number, because the mean of its divisors is an integer number (243036469).

Almost surely, 2^971670529 is an apocalyptic number.

It is an amenable number.

971670529 is a deficient number, since it is larger than the sum of its proper divisors (475347).

971670529 is a wasteful number, since it uses less digits than its factorization.

971670529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475346.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 971670529 is about 31171.6301947781. The cubic root of 971670529 is about 990.4662392555.

The spelling of 971670529 in words is "nine hundred seventy-one million, six hundred seventy thousand, five hundred twenty-nine".