696257 has 2 divisors, whose sum is σ = 696258. Its totient is φ = 696256.

The previous prime is 696253. The next prime is 696263. The reversal of 696257 is 752696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 450241 + 246016 = 671^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 696257 - 2² = 696253 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (696253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348128 + 348129.

It is an arithmetic number, because the mean of its divisors is an integer number (348129).

2⁶⁹⁶²⁵⁷ is an apocalyptic number.

It is an amenable number.

696257 is a deficient number, since it is larger than the sum of its proper divisors (1).

696257 is an equidigital number, since it uses as much as digits as its factorization.

696257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 696257 is about 834.4201579540. The cubic root of 696257 is about 88.6318589387.

The spelling of 696257 in words is "six hundred ninety-six thousand, two hundred fifty-seven".