696379261 has 2 divisors, whose sum is σ = 696379262. Its totient is φ = 696379260.

The previous prime is 696379259. The next prime is 696379373. The reversal of 696379261 is 162973696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680427225 + 15952036 = 26085^2 + 3994^2 .

It is a cyclic number.

It is not a de Polignac number, because 696379261 - 2¹ = 696379259 is a prime.

It is a super-2 number, since 2×696379261² = 969888150301812242, which contains 22 as substring.

Together with 696379259, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696379231) 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 as a sum of consecutive naturals, namely, 348189630 + 348189631.

It is an arithmetic number, because the mean of its divisors is an integer number (348189631).

Almost surely, 2^696379261 is an apocalyptic number.

It is an amenable number.

696379261 is a deficient number, since it is larger than the sum of its proper divisors (1).

696379261 is an equidigital number, since it uses as much as digits as its factorization.

696379261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 49.

The square root of 696379261 is about 26388.9988631627. The cubic root of 696379261 is about 886.3704647982.

The spelling of 696379261 in words is "six hundred ninety-six million, three hundred seventy-nine thousand, two hundred sixty-one".