495986417 has 2 divisors, whose sum is σ = 495986418. Its totient is φ = 495986416.

The previous prime is 495986383. The next prime is 495986419. The reversal of 495986417 is 714689594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 476941921 + 19044496 = 21839^2 + 4364^2 .

It is a cyclic number.

It is not a de Polignac number, because 495986417 - 2²² = 491792113 is a prime.

Together with 495986419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (495986419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247993208 + 247993209.

It is an arithmetic number, because the mean of its divisors is an integer number (247993209).

Almost surely, 2^495986417 is an apocalyptic number.

It is an amenable number.

495986417 is a deficient number, since it is larger than the sum of its proper divisors (1).

495986417 is an equidigital number, since it uses as much as digits as its factorization.

495986417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 495986417 is about 22270.7525018801. The cubic root of 495986417 is about 791.5710960581.

The spelling of 495986417 in words is "four hundred ninety-five million, nine hundred eighty-six thousand, four hundred seventeen".