479821361 has 2 divisors, whose sum is σ = 479821362. Its totient is φ = 479821360.

The previous prime is 479821357. The next prime is 479821387. The reversal of 479821361 is 163128974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479391025 + 430336 = 21895^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 479821361 - 2² = 479821357 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (479821351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239910680 + 239910681.

It is an arithmetic number, because the mean of its divisors is an integer number (239910681).

Almost surely, 2^479821361 is an apocalyptic number.

It is an amenable number.

479821361 is a deficient number, since it is larger than the sum of its proper divisors (1).

479821361 is an equidigital number, since it uses as much as digits as its factorization.

479821361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 479821361 is about 21904.8250620725. The cubic root of 479821361 is about 782.8763845093.

The spelling of 479821361 in words is "four hundred seventy-nine million, eight hundred twenty-one thousand, three hundred sixty-one".