696438537 has 16 divisors (see below), whose sum is σ = 949164480. Its totient is φ = 454083392.

The previous prime is 696438493. The next prime is 696438553. The reversal of 696438537 is 735834696.

It is a cyclic number.

It is not a de Polignac number, because 696438537 - 2¹² = 696434441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 696438537.

It is not an unprimeable number, because it can be changed into a prime (696438577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24883 + ... + 44855.

It is an arithmetic number, because the mean of its divisors is an integer number (59322780).

Almost surely, 2^696438537 is an apocalyptic number.

It is an amenable number.

696438537 is a deficient number, since it is larger than the sum of its proper divisors (252725943).

696438537 is a wasteful number, since it uses less digits than its factorization.

696438537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20232.

The product of its digits is 3265920, while the sum is 51.

The square root of 696438537 is about 26390.1219587936. The cubic root of 696438537 is about 886.3956134530.

The spelling of 696438537 in words is "six hundred ninety-six million, four hundred thirty-eight thousand, five hundred thirty-seven".