2320412581 has 2 divisors, whose sum is σ = 2320412582. Its totient is φ = 2320412580.

The previous prime is 2320412573. The next prime is 2320412597. The reversal of 2320412581 is 1852140232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1234116900 + 1086295681 = 35130^2 + 32959^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320412581 - 2³ = 2320412573 is a prime.

It is a super-2 number, since 2×2320412581² = 10768629092126163122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320412551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160206290 + 1160206291.

It is an arithmetic number, because the mean of its divisors is an integer number (1160206291).

Almost surely, 2^2320412581 is an apocalyptic number.

It is an amenable number.

2320412581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320412581 is an equidigital number, since it uses as much as digits as its factorization.

2320412581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2320412581 is about 48170.6609981636. The cubic root of 2320412581 is about 1323.8996595903.

The spelling of 2320412581 in words is "two billion, three hundred twenty million, four hundred twelve thousand, five hundred eighty-one".