495396997 has 4 divisors (see below), whose sum is σ = 497010976. Its totient is φ = 493783020.

The previous prime is 495396991. The next prime is 495397031. The reversal of 495396997 is 799693594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 495396997 - 2¹⁵ = 495364229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495396991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806529 + ... + 807142.

It is an arithmetic number, because the mean of its divisors is an integer number (124252744).

Almost surely, 2^495396997 is an apocalyptic number.

It is an amenable number.

495396997 is a deficient number, since it is larger than the sum of its proper divisors (1613979).

495396997 is a wasteful number, since it uses less digits than its factorization.

495396997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613978.

The product of its digits is 16533720, while the sum is 61.

The square root of 495396997 is about 22257.5155172360. The cubic root of 495396997 is about 791.2574095259.

The spelling of 495396997 in words is "four hundred ninety-five million, three hundred ninety-six thousand, nine hundred ninety-seven".