696621337 has 2 divisors, whose sum is σ = 696621338. Its totient is φ = 696621336.

The previous prime is 696621323. The next prime is 696621389. The reversal of 696621337 is 733126696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452668176 + 243953161 = 21276^2 + 15619^2 .

It is a cyclic number.

It is not a de Polignac number, because 696621337 - 2¹⁹ = 696097049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 696621293 and 696621302.

It is not a weakly prime, because it can be changed into another prime (696621137) 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 as a sum of consecutive naturals, namely, 348310668 + 348310669.

It is an arithmetic number, because the mean of its divisors is an integer number (348310669).

Almost surely, 2^696621337 is an apocalyptic number.

It is an amenable number.

696621337 is a deficient number, since it is larger than the sum of its proper divisors (1).

696621337 is an equidigital number, since it uses as much as digits as its factorization.

696621337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 696621337 is about 26393.5851486682. The cubic root of 696621337 is about 886.4731598719.

The spelling of 696621337 in words is "six hundred ninety-six million, six hundred twenty-one thousand, three hundred thirty-seven".