477255017 has 2 divisors, whose sum is σ = 477255018. Its totient is φ = 477255016.

The previous prime is 477254993. The next prime is 477255073. The reversal of 477255017 is 710552774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336025561 + 141229456 = 18331^2 + 11884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477255017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (477255217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238627508 + 238627509.

It is an arithmetic number, because the mean of its divisors is an integer number (238627509).

Almost surely, 2^477255017 is an apocalyptic number.

It is an amenable number.

477255017 is a deficient number, since it is larger than the sum of its proper divisors (1).

477255017 is an equidigital number, since it uses as much as digits as its factorization.

477255017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68600, while the sum is 38.

The square root of 477255017 is about 21846.1671008898. The cubic root of 477255017 is about 781.4781399899.

The spelling of 477255017 in words is "four hundred seventy-seven million, two hundred fifty-five thousand, seventeen".