971630205 has 32 divisors (see below), whose sum is σ = 1913366784. Its totient is φ = 410006016.

The previous prime is 971630203. The next prime is 971630237. The reversal of 971630205 is 502036179.

It is not a de Polignac number, because 971630205 - 2¹ = 971630203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971630203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354544 + ... + 357273.

It is an arithmetic number, because the mean of its divisors is an integer number (59792712).

Almost surely, 2^971630205 is an apocalyptic number.

It is an amenable number.

971630205 is a deficient number, since it is larger than the sum of its proper divisors (941736579).

971630205 is a wasteful number, since it uses less digits than its factorization.

971630205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711845.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 971630205 is about 31170.9833819852. The cubic root of 971630205 is about 990.4525377274.

The spelling of 971630205 in words is "nine hundred seventy-one million, six hundred thirty thousand, two hundred five".