695681053 has 2 divisors, whose sum is σ = 695681054. Its totient is φ = 695681052.

The previous prime is 695681011. The next prime is 695681057. The reversal of 695681053 is 350186596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695535129 + 145924 = 26373^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 695681053 - 2⁹ = 695680541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695681057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347840526 + 347840527.

It is an arithmetic number, because the mean of its divisors is an integer number (347840527).

Almost surely, 2^695681053 is an apocalyptic number.

It is an amenable number.

695681053 is a deficient number, since it is larger than the sum of its proper divisors (1).

695681053 is an equidigital number, since it uses as much as digits as its factorization.

695681053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 695681053 is about 26375.7663964481. The cubic root of 695681053 is about 886.0741330283.

The spelling of 695681053 in words is "six hundred ninety-five million, six hundred eighty-one thousand, fifty-three".