979001521 has 9 divisors (see below), whose sum is σ = 995964249. Its totient is φ = 962324484.

The previous prime is 979001501. The next prime is 979001549. The reversal of 979001521 is 125100979.

The square root of 979001521 is 31289.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 979001521 - 2¹³ = 978993329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979001501) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2096130 + ... + 2096596.

Almost surely, 2^979001521 is an apocalyptic number.

979001521 is the 31289-th square number.

979001521 is the 15645-th centered octagonal number.

It is an amenable number.

979001521 is a deficient number, since it is larger than the sum of its proper divisors (16962728).

979001521 is an frugal number, since it uses more digits than its factorization.

979001521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The cubic root of 979001521 is about 992.9509344290.

The spelling of 979001521 in words is "nine hundred seventy-nine million, one thousand, five hundred twenty-one".