543697 has 16 divisors (see below), whose sum is σ = 709632. Its totient is φ = 403920.

The previous prime is 543689. The next prime is 543703. The reversal of 543697 is 796345.

It is not a de Polignac number, because 543697 - 2³ = 543689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543607) 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, 1618 + ... + 1924.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2⁵⁴³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

543697 is a deficient number, since it is larger than the sum of its proper divisors (165935).

543697 is a wasteful number, since it uses less digits than its factorization.

543697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its digits is 22680, while the sum is 34.

The square root of 543697 is about 737.3581219462. The cubic root of 543697 is about 81.6179430778.

The spelling of 543697 in words is "five hundred forty-three thousand, six hundred ninety-seven".