971013001 has 4 divisors (see below), whose sum is σ = 1109729152. Its totient is φ = 832296852.

The previous prime is 971012989. The next prime is 971013013. The reversal of 971013001 is 100310179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (971012989) and next prime (971013013).

It is a cyclic number.

It is not a de Polignac number, because 971013001 - 2⁹ = 971012489 is a prime.

It is a super-2 number, since 2×971013001² = 1885732496222052002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (971013101) 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, 69358065 + ... + 69358078.

It is an arithmetic number, because the mean of its divisors is an integer number (277432288).

Almost surely, 2^971013001 is an apocalyptic number.

It is an amenable number.

971013001 is a deficient number, since it is larger than the sum of its proper divisors (138716151).

971013001 is a wasteful number, since it uses less digits than its factorization.

971013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138716150.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 971013001 is about 31161.0815120400. The cubic root of 971013001 is about 990.2427731651.

The spelling of 971013001 in words is "nine hundred seventy-one million, thirteen thousand, one".