979517573 has 2 divisors, whose sum is σ = 979517574. Its totient is φ = 979517572.

The previous prime is 979517563. The next prime is 979517579. The reversal of 979517573 is 375715979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 520615489 + 458902084 = 22817^2 + 21422^2 .

It is a cyclic number.

It is not a de Polignac number, because 979517573 - 2⁴ = 979517557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979517579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489758786 + 489758787.

It is an arithmetic number, because the mean of its divisors is an integer number (489758787).

Almost surely, 2^979517573 is an apocalyptic number.

It is an amenable number.

979517573 is a deficient number, since it is larger than the sum of its proper divisors (1).

979517573 is an equidigital number, since it uses as much as digits as its factorization.

979517573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2083725, while the sum is 53.

The square root of 979517573 is about 31297.2454538734. The cubic root of 979517573 is about 993.1253721244.

The spelling of 979517573 in words is "nine hundred seventy-nine million, five hundred seventeen thousand, five hundred seventy-three".