972866597 has 2 divisors, whose sum is σ = 972866598. Its totient is φ = 972866596.

The previous prime is 972866579. The next prime is 972866617. The reversal of 972866597 is 795668279.

Together with previous prime (972866579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672572356 + 300294241 = 25934^2 + 17329^2 .

It is a cyclic number.

It is not a de Polignac number, because 972866597 - 2⁶ = 972866533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972866507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486433298 + 486433299.

It is an arithmetic number, because the mean of its divisors is an integer number (486433299).

Almost surely, 2^972866597 is an apocalyptic number.

It is an amenable number.

972866597 is a deficient number, since it is larger than the sum of its proper divisors (1).

972866597 is an equidigital number, since it uses as much as digits as its factorization.

972866597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 59.

The square root of 972866597 is about 31190.8094957473. The cubic root of 972866597 is about 990.8724740806.

The spelling of 972866597 in words is "nine hundred seventy-two million, eight hundred sixty-six thousand, five hundred ninety-seven".