5861812321 has 2 divisors, whose sum is σ = 5861812322. Its totient is φ = 5861812320.

The previous prime is 5861812301. The next prime is 5861812337. The reversal of 5861812321 is 1232181685.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5705687296 + 156125025 = 75536^2 + 12495^2 .

It is a cyclic number.

It is not a de Polignac number, because 5861812321 - 2¹³ = 5861804129 is a prime.

It is not a weakly prime, because it can be changed into another prime (5861812301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930906160 + 2930906161.

It is an arithmetic number, because the mean of its divisors is an integer number (2930906161).

Almost surely, 2^5861812321 is an apocalyptic number.

It is an amenable number.

5861812321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5861812321 is an equidigital number, since it uses as much as digits as its factorization.

5861812321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 37.

The square root of 5861812321 is about 76562.4733208117. The cubic root of 5861812321 is about 1803.0618997994.

The spelling of 5861812321 in words is "five billion, eight hundred sixty-one million, eight hundred twelve thousand, three hundred twenty-one".