696539 has 4 divisors (see below), whose sum is σ = 719040. Its totient is φ = 674040.

The previous prime is 696533. The next prime is 696547. The reversal of 696539 is 935696.

696539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 696539 - 2⁴ = 696523 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 696539.

It is not an unprimeable number, because it can be changed into a prime (696533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11204 + ... + 11265.

It is an arithmetic number, because the mean of its divisors is an integer number (179760).

2⁶⁹⁶⁵³⁹ is an apocalyptic number.

696539 is a deficient number, since it is larger than the sum of its proper divisors (22501).

696539 is a wasteful number, since it uses less digits than its factorization.

696539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22500.

The product of its digits is 43740, while the sum is 38.

The square root of 696539 is about 834.5891204659. The cubic root of 696539 is about 88.6438232998.

The spelling of 696539 in words is "six hundred ninety-six thousand, five hundred thirty-nine".