971014591 has 2 divisors, whose sum is σ = 971014592. Its totient is φ = 971014590.

The previous prime is 971014571. The next prime is 971014609. The reversal of 971014591 is 195410179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 971014591 - 2²⁹ = 434143679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 971014591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971014571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485507295 + 485507296.

It is an arithmetic number, because the mean of its divisors is an integer number (485507296).

Almost surely, 2^971014591 is an apocalyptic number.

971014591 is a deficient number, since it is larger than the sum of its proper divisors (1).

971014591 is an equidigital number, since it uses as much as digits as its factorization.

971014591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 971014591 is about 31161.1070246229. The cubic root of 971014591 is about 990.2433136609.

The spelling of 971014591 in words is "nine hundred seventy-one million, fourteen thousand, five hundred ninety-one".