495618997 has 2 divisors, whose sum is σ = 495618998. Its totient is φ = 495618996.

The previous prime is 495618983. The next prime is 495619001. The reversal of 495618997 is 799816594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487923921 + 7695076 = 22089^2 + 2774^2 .

It is a cyclic number.

It is not a de Polignac number, because 495618997 - 2⁷ = 495618869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495618197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247809498 + 247809499.

It is an arithmetic number, because the mean of its divisors is an integer number (247809499).

Almost surely, 2^495618997 is an apocalyptic number.

It is an amenable number.

495618997 is a deficient number, since it is larger than the sum of its proper divisors (1).

495618997 is an equidigital number, since it uses as much as digits as its factorization.

495618997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The square root of 495618997 is about 22262.5020381807. The cubic root of 495618997 is about 791.3755860681.

The spelling of 495618997 in words is "four hundred ninety-five million, six hundred eighteen thousand, nine hundred ninety-seven".