495856013 has 2 divisors, whose sum is σ = 495856014. Its totient is φ = 495856012.

The previous prime is 495856003. The next prime is 495856021. The reversal of 495856013 is 310658594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446603689 + 49252324 = 21133^2 + 7018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495856013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495856003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247928006 + 247928007.

It is an arithmetic number, because the mean of its divisors is an integer number (247928007).

Almost surely, 2^495856013 is an apocalyptic number.

It is an amenable number.

495856013 is a deficient number, since it is larger than the sum of its proper divisors (1).

495856013 is an equidigital number, since it uses as much as digits as its factorization.

495856013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 495856013 is about 22267.8246131049. The cubic root of 495856013 is about 791.5017170848.

The spelling of 495856013 in words is "four hundred ninety-five million, eight hundred fifty-six thousand, thirteen".