860409041 has 2 divisors, whose sum is σ = 860409042. Its totient is φ = 860409040.

The previous prime is 860409037. The next prime is 860409071. The reversal of 860409041 is 140904068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 805708225 + 54700816 = 28385^2 + 7396^2 .

It is a cyclic number.

It is not a de Polignac number, because 860409041 - 2² = 860409037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 860408989 and 860409007.

It is not a weakly prime, because it can be changed into another prime (860409071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430204520 + 430204521.

It is an arithmetic number, because the mean of its divisors is an integer number (430204521).

Almost surely, 2^860409041 is an apocalyptic number.

It is an amenable number.

860409041 is a deficient number, since it is larger than the sum of its proper divisors (1).

860409041 is an equidigital number, since it uses as much as digits as its factorization.

860409041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 860409041 is about 29332.7298593227. The cubic root of 860409041 is about 951.1192868362.

The spelling of 860409041 in words is "eight hundred sixty million, four hundred nine thousand, forty-one".