58681321 has 2 divisors, whose sum is σ = 58681322. Its totient is φ = 58681320.

The previous prime is 58681313. The next prime is 58681327. The reversal of 58681321 is 12318685.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42968025 + 15713296 = 6555^2 + 3964^2 .

It is a cyclic number.

It is not a de Polignac number, because 58681321 - 2³ = 58681313 is a prime.

It is not a weakly prime, because it can be changed into another prime (58681327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29340660 + 29340661.

It is an arithmetic number, because the mean of its divisors is an integer number (29340661).

Almost surely, 2^58681321 is an apocalyptic number.

It is an amenable number.

58681321 is a deficient number, since it is larger than the sum of its proper divisors (1).

58681321 is an equidigital number, since it uses as much as digits as its factorization.

58681321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 58681321 is about 7660.3734243182. The cubic root of 58681321 is about 388.5974627203.

The spelling of 58681321 in words is "fifty-eight million, six hundred eighty-one thousand, three hundred twenty-one".