497231705 has 16 divisors (see below), whose sum is σ = 601220880. Its totient is φ = 394770432.

The previous prime is 497231701. The next prime is 497231719. The reversal of 497231705 is 507132794.

It can be written as a sum of positive squares in 8 ways, for example, as 142587481 + 354644224 = 11941^2 + 18832^2 .

It is a cyclic number.

It is not a de Polignac number, because 497231705 - 2² = 497231701 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (497231701) 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, 452717 + ... + 453813.

It is an arithmetic number, because the mean of its divisors is an integer number (37576305).

Almost surely, 2^497231705 is an apocalyptic number.

It is an amenable number.

497231705 is a deficient number, since it is larger than the sum of its proper divisors (103989175).

497231705 is a wasteful number, since it uses less digits than its factorization.

497231705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 497231705 is about 22298.6928989123. The cubic root of 497231705 is about 792.2330161775.

The spelling of 497231705 in words is "four hundred ninety-seven million, two hundred thirty-one thousand, seven hundred five".