696137243 has 4 divisors (see below), whose sum is σ = 696190320. Its totient is φ = 696084168.

The previous prime is 696137231. The next prime is 696137293. The reversal of 696137243 is 342731696.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 696137243 - 2¹⁰ = 696136219 is a prime.

It is a super-2 number, since 2×696137243² = 969214122183282098, which contains 22 as substring.

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 696137243.

It is not an unprimeable number, because it can be changed into a prime (696137213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8993 + ... + 38381.

It is an arithmetic number, because the mean of its divisors is an integer number (174047580).

Almost surely, 2^696137243 is an apocalyptic number.

696137243 is a deficient number, since it is larger than the sum of its proper divisors (53077).

696137243 is a wasteful number, since it uses less digits than its factorization.

696137243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53076.

The product of its digits is 163296, while the sum is 41.

The square root of 696137243 is about 26384.4128795772. The cubic root of 696137243 is about 886.2677705361.

The spelling of 696137243 in words is "six hundred ninety-six million, one hundred thirty-seven thousand, two hundred forty-three".