696511 has 4 divisors (see below), whose sum is σ = 700024. Its totient is φ = 693000.

The previous prime is 696503. The next prime is 696517. The reversal of 696511 is 115696.

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 696511 - 2³ = 696503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 696511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (175006).

2⁶⁹⁶⁵¹¹ is an apocalyptic number.

696511 is a deficient number, since it is larger than the sum of its proper divisors (3513).

696511 is a wasteful number, since it uses less digits than its factorization.

696511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512.

The product of its digits is 1620, while the sum is 28.

The square root of 696511 is about 834.5723455759. The cubic root of 696511 is about 88.6426354935.

The spelling of 696511 in words is "six hundred ninety-six thousand, five hundred eleven".