495265817 has 2 divisors, whose sum is σ = 495265818. Its totient is φ = 495265816.

The previous prime is 495265789. The next prime is 495265843. The reversal of 495265817 is 718562594.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429152656 + 66113161 = 20716^2 + 8131^2 .

It is a cyclic number.

It is not a de Polignac number, because 495265817 - 2¹⁰ = 495264793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (495265217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247632908 + 247632909.

It is an arithmetic number, because the mean of its divisors is an integer number (247632909).

Almost surely, 2^495265817 is an apocalyptic number.

It is an amenable number.

495265817 is a deficient number, since it is larger than the sum of its proper divisors (1).

495265817 is an equidigital number, since it uses as much as digits as its factorization.

495265817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 47.

The square root of 495265817 is about 22254.5684523425. The cubic root of 495265817 is about 791.1875623053.

The spelling of 495265817 in words is "four hundred ninety-five million, two hundred sixty-five thousand, eight hundred seventeen".