495402259 has 4 divisors (see below), whose sum is σ = 540438840. Its totient is φ = 450365680.

The previous prime is 495402247. The next prime is 495402263. The reversal of 495402259 is 952204594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 495402259 - 2⁹ = 495401747 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495402209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22518274 + ... + 22518295.

It is an arithmetic number, because the mean of its divisors is an integer number (135109710).

Almost surely, 2^495402259 is an apocalyptic number.

495402259 is a deficient number, since it is larger than the sum of its proper divisors (45036581).

495402259 is a wasteful number, since it uses less digits than its factorization.

495402259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45036580.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 495402259 is about 22257.6337241855. The cubic root of 495402259 is about 791.2602110378.

The spelling of 495402259 in words is "four hundred ninety-five million, four hundred two thousand, two hundred fifty-nine".