473507917 has 2 divisors, whose sum is σ = 473507918. Its totient is φ = 473507916.

The previous prime is 473507899. The next prime is 473507921. The reversal of 473507917 is 719705374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428738436 + 44769481 = 20706^2 + 6691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473507917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473507927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236753958 + 236753959.

It is an arithmetic number, because the mean of its divisors is an integer number (236753959).

Almost surely, 2^473507917 is an apocalyptic number.

It is an amenable number.

473507917 is a deficient number, since it is larger than the sum of its proper divisors (1).

473507917 is an equidigital number, since it uses as much as digits as its factorization.

473507917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 473507917 is about 21760.2370621278. The cubic root of 473507917 is about 779.4275423797.

The spelling of 473507917 in words is "four hundred seventy-three million, five hundred seven thousand, nine hundred seventeen".