58442281 has 2 divisors, whose sum is σ = 58442282. Its totient is φ = 58442280.

The previous prime is 58442249. The next prime is 58442297. The reversal of 58442281 is 18224485.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43349056 + 15093225 = 6584^2 + 3885^2 .

It is a cyclic number.

It is not a de Polignac number, because 58442281 - 2⁵ = 58442249 is a prime.

It is a super-2 number, since 2×58442281² = 6831000416965922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (58442231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29221140 + 29221141.

It is an arithmetic number, because the mean of its divisors is an integer number (29221141).

Almost surely, 2^58442281 is an apocalyptic number.

It is an amenable number.

58442281 is a deficient number, since it is larger than the sum of its proper divisors (1).

58442281 is an equidigital number, since it uses as much as digits as its factorization.

58442281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20480, while the sum is 34.

The square root of 58442281 is about 7644.7551301530. The cubic root of 58442281 is about 388.0690904173.

The spelling of 58442281 in words is "fifty-eight million, four hundred forty-two thousand, two hundred eighty-one".