860541321 has 4 divisors (see below), whose sum is σ = 1147388432. Its totient is φ = 573694212.

The previous prime is 860541281. The next prime is 860541323. The reversal of 860541321 is 123145068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 860541321 - 2⁷ = 860541193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860541323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143423551 + ... + 143423556.

It is an arithmetic number, because the mean of its divisors is an integer number (286847108).

Almost surely, 2^860541321 is an apocalyptic number.

It is an amenable number.

860541321 is a deficient number, since it is larger than the sum of its proper divisors (286847111).

860541321 is a wasteful number, since it uses less digits than its factorization.

860541321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286847110.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 860541321 is about 29334.9845917805. The cubic root of 860541321 is about 951.1680262947.

Adding to 860541321 its reverse (123145068), we get a palindrome (983686389).

The spelling of 860541321 in words is "eight hundred sixty million, five hundred forty-one thousand, three hundred twenty-one".