695658461 has 2 divisors, whose sum is σ = 695658462. Its totient is φ = 695658460.

The previous prime is 695658433. The next prime is 695658487. The reversal of 695658461 is 164856596.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557243236 + 138415225 = 23606^2 + 11765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695658461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695658401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347829230 + 347829231.

It is an arithmetic number, because the mean of its divisors is an integer number (347829231).

Almost surely, 2^695658461 is an apocalyptic number.

It is an amenable number.

695658461 is a deficient number, since it is larger than the sum of its proper divisors (1).

695658461 is an equidigital number, since it uses as much as digits as its factorization.

695658461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 50.

The square root of 695658461 is about 26375.3381210554. The cubic root of 695658461 is about 886.0645412748.

The spelling of 695658461 in words is "six hundred ninety-five million, six hundred fifty-eight thousand, four hundred sixty-one".