979553 has 2 divisors, whose sum is σ = 979554. Its totient is φ = 979552.

The previous prime is 979549. The next prime is 979567. The reversal of 979553 is 355979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 717409 + 262144 = 847^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 979553 - 2² = 979549 is a prime.

It is not a weakly prime, because it can be changed into another prime (979543) 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, 489776 + 489777.

It is an arithmetic number, because the mean of its divisors is an integer number (489777).

2⁹⁷⁹⁵⁵³ is an apocalyptic number.

It is an amenable number.

979553 is a deficient number, since it is larger than the sum of its proper divisors (1).

979553 is an equidigital number, since it uses as much as digits as its factorization.

979553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42525, while the sum is 38.

The square root of 979553 is about 989.7236988170. The cubic root of 979553 is about 99.3137345035.

The spelling of 979553 in words is "nine hundred seventy-nine thousand, five hundred fifty-three".