865092973 has 2 divisors, whose sum is σ = 865092974. Its totient is φ = 865092972.

The previous prime is 865092931. The next prime is 865093003. The reversal of 865092973 is 379290568.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 617124964 + 247968009 = 24842^2 + 15747^2 .

It is a cyclic number.

It is not a de Polignac number, because 865092973 - 2⁹ = 865092461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (865092373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432546486 + 432546487.

It is an arithmetic number, because the mean of its divisors is an integer number (432546487).

Almost surely, 2^865092973 is an apocalyptic number.

It is an amenable number.

865092973 is a deficient number, since it is larger than the sum of its proper divisors (1).

865092973 is an equidigital number, since it uses as much as digits as its factorization.

865092973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 865092973 is about 29412.4628856544. The cubic root of 865092973 is about 952.8420791923.

The spelling of 865092973 in words is "eight hundred sixty-five million, ninety-two thousand, nine hundred seventy-three".