696551 has 4 divisors (see below), whose sum is σ = 720600. Its totient is φ = 672504.

The previous prime is 696547. The next prime is 696569. The reversal of 696551 is 155696.

696551 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 696551 - 2² = 696547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696851) 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, 11981 + ... + 12038.

It is an arithmetic number, because the mean of its divisors is an integer number (180150).

2⁶⁹⁶⁵⁵¹ is an apocalyptic number.

696551 is a deficient number, since it is larger than the sum of its proper divisors (24049).

696551 is a wasteful number, since it uses less digits than its factorization.

696551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24048.

The product of its digits is 8100, while the sum is 32.

The square root of 696551 is about 834.5963096012. The cubic root of 696551 is about 88.6443323499.

The spelling of 696551 in words is "six hundred ninety-six thousand, five hundred fifty-one".