865092461 has 2 divisors, whose sum is σ = 865092462. Its totient is φ = 865092460.

The previous prime is 865092443. The next prime is 865092469. The reversal of 865092461 is 164290568.

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., 828864100 + 36228361 = 28790^2 + 6019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-865092461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (865092469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432546230 + 432546231.

It is an arithmetic number, because the mean of its divisors is an integer number (432546231).

Almost surely, 2^865092461 is an apocalyptic number.

It is an amenable number.

865092461 is a deficient number, since it is larger than the sum of its proper divisors (1).

865092461 is an equidigital number, since it uses as much as digits as its factorization.

865092461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 865092461 is about 29412.4541818598. The cubic root of 865092461 is about 952.8418912143.

The spelling of 865092461 in words is "eight hundred sixty-five million, ninety-two thousand, four hundred sixty-one".