494942017 has 2 divisors, whose sum is σ = 494942018. Its totient is φ = 494942016.

The previous prime is 494941999. The next prime is 494942027. The reversal of 494942017 is 710249494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262958656 + 231983361 = 16216^2 + 15231^2 .

It is a cyclic number.

It is not a de Polignac number, because 494942017 - 2¹¹ = 494939969 is a prime.

It is not a weakly prime, because it can be changed into another prime (494942027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247471008 + 247471009.

It is an arithmetic number, because the mean of its divisors is an integer number (247471009).

Almost surely, 2^494942017 is an apocalyptic number.

It is an amenable number.

494942017 is a deficient number, since it is larger than the sum of its proper divisors (1).

494942017 is an equidigital number, since it uses as much as digits as its factorization.

494942017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 494942017 is about 22247.2923521043. The cubic root of 494942017 is about 791.0151011239.

The spelling of 494942017 in words is "four hundred ninety-four million, nine hundred forty-two thousand, seventeen".