971417507 has 2 divisors, whose sum is σ = 971417508. Its totient is φ = 971417506.

The previous prime is 971417471. The next prime is 971417563. The reversal of 971417507 is 705714179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 971417507 - 2¹² = 971413411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (971417597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485708753 + 485708754.

It is an arithmetic number, because the mean of its divisors is an integer number (485708754).

Almost surely, 2^971417507 is an apocalyptic number.

971417507 is a deficient number, since it is larger than the sum of its proper divisors (1).

971417507 is an equidigital number, since it uses as much as digits as its factorization.

971417507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 971417507 is about 31167.5714004155. The cubic root of 971417507 is about 990.3802596642.

The spelling of 971417507 in words is "nine hundred seventy-one million, four hundred seventeen thousand, five hundred seven".