979532261 has 2 divisors, whose sum is σ = 979532262. Its totient is φ = 979532260.

The previous prime is 979532227. The next prime is 979532317. The reversal of 979532261 is 162235979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 979377025 + 155236 = 31295^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 979532261 - 2²⁶ = 912423397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979532221) 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, 489766130 + 489766131.

It is an arithmetic number, because the mean of its divisors is an integer number (489766131).

Almost surely, 2^979532261 is an apocalyptic number.

It is an amenable number.

979532261 is a deficient number, since it is larger than the sum of its proper divisors (1).

979532261 is an equidigital number, since it uses as much as digits as its factorization.

979532261 is an odious number, because the sum of its binary digits is odd.

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

The square root of 979532261 is about 31297.4801062322. The cubic root of 979532261 is about 993.1303361165.

The spelling of 979532261 in words is "nine hundred seventy-nine million, five hundred thirty-two thousand, two hundred sixty-one".