279358241 has 2 divisors, whose sum is σ = 279358242. Its totient is φ = 279358240.

The previous prime is 279358237. The next prime is 279358279. The reversal of 279358241 is 142853972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273207841 + 6150400 = 16529^2 + 2480^2 .

It is a cyclic number.

It is not a de Polignac number, because 279358241 - 2² = 279358237 is a prime.

It is a super-2 number, since 2×279358241² = 156082053629228162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (279358201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139679120 + 139679121.

It is an arithmetic number, because the mean of its divisors is an integer number (139679121).

Almost surely, 2^279358241 is an apocalyptic number.

It is an amenable number.

279358241 is a deficient number, since it is larger than the sum of its proper divisors (1).

279358241 is an equidigital number, since it uses as much as digits as its factorization.

279358241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 279358241 is about 16714.0133121881. The cubic root of 279358241 is about 653.7130615369.

The spelling of 279358241 in words is "two hundred seventy-nine million, three hundred fifty-eight thousand, two hundred forty-one".