695785253 has 2 divisors, whose sum is σ = 695785254. Its totient is φ = 695785252.

The previous prime is 695785249. The next prime is 695785267. The reversal of 695785253 is 352587596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420988324 + 274796929 = 20518^2 + 16577^2 .

It is a cyclic number.

It is not a de Polignac number, because 695785253 - 2² = 695785249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695715253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347892626 + 347892627.

It is an arithmetic number, because the mean of its divisors is an integer number (347892627).

Almost surely, 2^695785253 is an apocalyptic number.

It is an amenable number.

695785253 is a deficient number, since it is larger than the sum of its proper divisors (1).

695785253 is an equidigital number, since it uses as much as digits as its factorization.

695785253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 50.

The square root of 695785253 is about 26377.7416205406. The cubic root of 695785253 is about 886.1183699263.

The spelling of 695785253 in words is "six hundred ninety-five million, seven hundred eighty-five thousand, two hundred fifty-three".