497451845 has 8 divisors (see below), whose sum is σ = 651209760. Its totient is φ = 361783120.

The previous prime is 497451827. The next prime is 497451853. The reversal of 497451845 is 548154794.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 497451845 - 2⁸ = 497451589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 497451845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522235 + ... + 4522344.

It is an arithmetic number, because the mean of its divisors is an integer number (81401220).

Almost surely, 2^497451845 is an apocalyptic number.

It is an amenable number.

497451845 is a deficient number, since it is larger than the sum of its proper divisors (153757915).

497451845 is a wasteful number, since it uses less digits than its factorization.

497451845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9044595.

The product of its digits is 806400, while the sum is 47.

The square root of 497451845 is about 22303.6285164544. The cubic root of 497451845 is about 792.3499143580.

The spelling of 497451845 in words is "four hundred ninety-seven million, four hundred fifty-one thousand, eight hundred forty-five".