695257 has 2 divisors, whose sum is σ = 695258. Its totient is φ = 695256.

The previous prime is 695243. The next prime is 695263. The reversal of 695257 is 752596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646416 + 48841 = 804^2 + 221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347628 + 347629.

It is an arithmetic number, because the mean of its divisors is an integer number (347629).

2⁶⁹⁵²⁵⁷ is an apocalyptic number.

It is an amenable number.

695257 is a deficient number, since it is larger than the sum of its proper divisors (1).

695257 is an equidigital number, since it uses as much as digits as its factorization.

695257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 34.

The square root of 695257 is about 833.8207241368. The cubic root of 695257 is about 88.5894060679.

The spelling of 695257 in words is "six hundred ninety-five thousand, two hundred fifty-seven".