495295681 has 2 divisors, whose sum is σ = 495295682. Its totient is φ = 495295680.

The previous prime is 495295657. The next prime is 495295693. The reversal of 495295681 is 186592594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463756225 + 31539456 = 21535^2 + 5616^2 .

It is a cyclic number.

It is not a de Polignac number, because 495295681 - 2¹⁷ = 495164609 is a prime.

It is a super-2 number, since 2×495295681² = 490635623234507522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (495295601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247647840 + 247647841.

It is an arithmetic number, because the mean of its divisors is an integer number (247647841).

Almost surely, 2^495295681 is an apocalyptic number.

It is an amenable number.

495295681 is a deficient number, since it is larger than the sum of its proper divisors (1).

495295681 is an equidigital number, since it uses as much as digits as its factorization.

495295681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 49.

The square root of 495295681 is about 22255.2394055872. The cubic root of 495295681 is about 791.2034645741.

The spelling of 495295681 in words is "four hundred ninety-five million, two hundred ninety-five thousand, six hundred eighty-one".