861325411 has 2 divisors, whose sum is σ = 861325412. Its totient is φ = 861325410.

The previous prime is 861325403. The next prime is 861325427. The reversal of 861325411 is 114523168.

861325411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 861325411 - 2³ = 861325403 is a prime.

It is a super-3 number, since 3×861325411³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (861325471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430662705 + 430662706.

It is an arithmetic number, because the mean of its divisors is an integer number (430662706).

Almost surely, 2^861325411 is an apocalyptic number.

861325411 is a deficient number, since it is larger than the sum of its proper divisors (1).

861325411 is an equidigital number, since it uses as much as digits as its factorization.

861325411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 861325411 is about 29348.3459670217. The cubic root of 861325411 is about 951.4568270452.

Adding to 861325411 its reverse (114523168), we get a palindrome (975848579).

The spelling of 861325411 in words is "eight hundred sixty-one million, three hundred twenty-five thousand, four hundred eleven".