971058681 has 12 divisors (see below), whose sum is σ = 1432484352. Its totient is φ = 633598296.

The previous prime is 971058677. The next prime is 971058703. The reversal of 971058681 is 186850179.

It is not a de Polignac number, because 971058681 - 2² = 971058677 is a prime.

It is a super-2 number, since 2×971058681² = 1885909923890919522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (971058661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1147401 + ... + 1148246.

It is an arithmetic number, because the mean of its divisors is an integer number (119373696).

Almost surely, 2^971058681 is an apocalyptic number.

It is an amenable number.

971058681 is a deficient number, since it is larger than the sum of its proper divisors (461425671).

971058681 is a wasteful number, since it uses less digits than its factorization.

971058681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295700 (or 2295697 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 971058681 is about 31161.8144689939. The cubic root of 971058681 is about 990.2583011346.

The spelling of 971058681 in words is "nine hundred seventy-one million, fifty-eight thousand, six hundred eighty-one".