495497451 has 16 divisors (see below), whose sum is σ = 701920800. Its totient is φ = 310318848.

The previous prime is 495497411. The next prime is 495497479. The reversal of 495497451 is 154794594.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-495497451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 495497451.

It is not an unprimeable number, because it can be changed into a prime (495497411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73746 + ... + 80183.

It is an arithmetic number, because the mean of its divisors is an integer number (43870050).

Almost surely, 2^495497451 is an apocalyptic number.

495497451 is a deficient number, since it is larger than the sum of its proper divisors (206423349).

495497451 is a wasteful number, since it uses less digits than its factorization.

495497451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153998.

The product of its digits is 907200, while the sum is 48.

The square root of 495497451 is about 22259.7720338731. The cubic root of 495497451 is about 791.3108882513.

The spelling of 495497451 in words is "four hundred ninety-five million, four hundred ninety-seven thousand, four hundred fifty-one".