979251829 has 2 divisors, whose sum is σ = 979251830. Its totient is φ = 979251828.

The previous prime is 979251827. The next prime is 979251853. The reversal of 979251829 is 928152979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781202500 + 198049329 = 27950^2 + 14073^2 .

It is a cyclic number.

It is not a de Polignac number, because 979251829 - 2¹ = 979251827 is a prime.

Together with 979251827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979251827) 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, 489625914 + 489625915.

It is an arithmetic number, because the mean of its divisors is an integer number (489625915).

Almost surely, 2^979251829 is an apocalyptic number.

It is an amenable number.

979251829 is a deficient number, since it is larger than the sum of its proper divisors (1).

979251829 is an equidigital number, since it uses as much as digits as its factorization.

979251829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 52.

The square root of 979251829 is about 31292.9996804397. Note that the first 3 decimals coincide. The cubic root of 979251829 is about 993.0355520651.

The spelling of 979251829 in words is "nine hundred seventy-nine million, two hundred fifty-one thousand, eight hundred twenty-nine".