479275561 has 2 divisors, whose sum is σ = 479275562. Its totient is φ = 479275560.

The previous prime is 479275523. The next prime is 479275571. The reversal of 479275561 is 165572974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393824025 + 85451536 = 19845^2 + 9244^2 .

It is a cyclic number.

It is not a de Polignac number, because 479275561 - 2¹¹ = 479273513 is a prime.

It is not a weakly prime, because it can be changed into another prime (479275571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239637780 + 239637781.

It is an arithmetic number, because the mean of its divisors is an integer number (239637781).

Almost surely, 2^479275561 is an apocalyptic number.

It is an amenable number.

479275561 is a deficient number, since it is larger than the sum of its proper divisors (1).

479275561 is an equidigital number, since it uses as much as digits as its factorization.

479275561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 46.

The square root of 479275561 is about 21892.3630748259. The cubic root of 479275561 is about 782.5794295142.

The spelling of 479275561 in words is "four hundred seventy-nine million, two hundred seventy-five thousand, five hundred sixty-one".