695769253 has 2 divisors, whose sum is σ = 695769254. Its totient is φ = 695769252.

The previous prime is 695769229. The next prime is 695769271. The reversal of 695769253 is 352967596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695218689 + 550564 = 26367^2 + 742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695769253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 695769253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695769203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347884626 + 347884627.

It is an arithmetic number, because the mean of its divisors is an integer number (347884627).

Almost surely, 2^695769253 is an apocalyptic number.

It is an amenable number.

695769253 is a deficient number, since it is larger than the sum of its proper divisors (1).

695769253 is an equidigital number, since it uses as much as digits as its factorization.

695769253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800, while the sum is 52.

The square root of 695769253 is about 26377.4383327874. The cubic root of 695769253 is about 886.1115775994. Note that the first 3 decimals are identical.

The spelling of 695769253 in words is "six hundred ninety-five million, seven hundred sixty-nine thousand, two hundred fifty-three".