971612573 has 2 divisors, whose sum is σ = 971612574. Its totient is φ = 971612572.

The previous prime is 971612539. The next prime is 971612591. The reversal of 971612573 is 375216179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 791972164 + 179640409 = 28142^2 + 13403^2 .

It is a cyclic number.

It is not a de Polignac number, because 971612573 - 2¹⁰ = 971611549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 971612573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971612273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485806286 + 485806287.

It is an arithmetic number, because the mean of its divisors is an integer number (485806287).

Almost surely, 2^971612573 is an apocalyptic number.

It is an amenable number.

971612573 is a deficient number, since it is larger than the sum of its proper divisors (1).

971612573 is an equidigital number, since it uses as much as digits as its factorization.

971612573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 971612573 is about 31170.7005535647. The cubic root of 971612573 is about 990.4465465026.

The spelling of 971612573 in words is "nine hundred seventy-one million, six hundred twelve thousand, five hundred seventy-three".