865276541 has 2 divisors, whose sum is σ = 865276542. Its totient is φ = 865276540.

The previous prime is 865276507. The next prime is 865276547. The reversal of 865276541 is 145672568.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 847392100 + 17884441 = 29110^2 + 4229^2 .

It is a cyclic number.

It is not a de Polignac number, because 865276541 - 2²² = 861082237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 865276492 and 865276501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (865276547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432638270 + 432638271.

It is an arithmetic number, because the mean of its divisors is an integer number (432638271).

Almost surely, 2^865276541 is an apocalyptic number.

It is an amenable number.

865276541 is a deficient number, since it is larger than the sum of its proper divisors (1).

865276541 is an equidigital number, since it uses as much as digits as its factorization.

865276541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 44.

The square root of 865276541 is about 29415.5833020527. The cubic root of 865276541 is about 952.9094703860.

The spelling of 865276541 in words is "eight hundred sixty-five million, two hundred seventy-six thousand, five hundred forty-one".