696223291 has 2 divisors, whose sum is σ = 696223292. Its totient is φ = 696223290.

The previous prime is 696223273. The next prime is 696223309. The reversal of 696223291 is 192322696.

It is a balanced prime because it is at equal distance from previous prime (696223273) and next prime (696223309).

It is a cyclic number.

It is not a de Polignac number, because 696223291 - 2⁵ = 696223259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (696223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348111645 + 348111646.

It is an arithmetic number, because the mean of its divisors is an integer number (348111646).

Almost surely, 2^696223291 is an apocalyptic number.

696223291 is a deficient number, since it is larger than the sum of its proper divisors (1).

696223291 is an equidigital number, since it uses as much as digits as its factorization.

696223291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 696223291 is about 26386.0434889356. The cubic root of 696223291 is about 886.3042855710.

The spelling of 696223291 in words is "six hundred ninety-six million, two hundred twenty-three thousand, two hundred ninety-one".