495125643 has 4 divisors (see below), whose sum is σ = 660167528. Its totient is φ = 330083760.

The previous prime is 495125621. The next prime is 495125647. The reversal of 495125643 is 346521594.

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

It is not a de Polignac number, because 495125643 - 2⁹ = 495125131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495125647) 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, 82520938 + ... + 82520943.

It is an arithmetic number, because the mean of its divisors is an integer number (165041882).

Almost surely, 2^495125643 is an apocalyptic number.

495125643 is a deficient number, since it is larger than the sum of its proper divisors (165041885).

495125643 is a wasteful number, since it uses less digits than its factorization.

495125643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165041884.

The product of its digits is 129600, while the sum is 39.

The square root of 495125643 is about 22251.4188985781. The cubic root of 495125643 is about 791.1129125676.

It can be divided in two parts, 49512 and 5643, that added together give a palindrome (55155).

The spelling of 495125643 in words is "four hundred ninety-five million, one hundred twenty-five thousand, six hundred forty-three".