979634501 has 2 divisors, whose sum is σ = 979634502. Its totient is φ = 979634500.

The previous prime is 979634497. The next prime is 979634519. The reversal of 979634501 is 105436979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 727650625 + 251983876 = 26975^2 + 15874^2 .

It is an emirp because it is prime and its reverse (105436979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 979634501 - 2² = 979634497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979637501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489817250 + 489817251.

It is an arithmetic number, because the mean of its divisors is an integer number (489817251).

Almost surely, 2^979634501 is an apocalyptic number.

It is an amenable number.

979634501 is a deficient number, since it is larger than the sum of its proper divisors (1).

979634501 is an equidigital number, since it uses as much as digits as its factorization.

979634501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 979634501 is about 31299.1134219486. The cubic root of 979634501 is about 993.1648880202.

The spelling of 979634501 in words is "nine hundred seventy-nine million, six hundred thirty-four thousand, five hundred one".