497715785 has 12 divisors (see below), whose sum is σ = 694770948. Its totient is φ = 341290656.

The previous prime is 497715733. The next prime is 497715793. The reversal of 497715785 is 587517794.

It can be written as a sum of positive squares in 2 ways, for example, as 369754441 + 127961344 = 19229^2 + 11312^2 .

It is not a de Polignac number, because 497715785 - 2¹⁶ = 497650249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1015502 + ... + 1015991.

It is an arithmetic number, because the mean of its divisors is an integer number (57897579).

Almost surely, 2^497715785 is an apocalyptic number.

It is an amenable number.

497715785 is a deficient number, since it is larger than the sum of its proper divisors (197055163).

497715785 is a wasteful number, since it uses less digits than its factorization.

497715785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031512 (or 2031505 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 53.

The square root of 497715785 is about 22309.5447062462. The cubic root of 497715785 is about 792.4900256484.

The spelling of 497715785 in words is "four hundred ninety-seven million, seven hundred fifteen thousand, seven hundred eighty-five".