58542109 has 2 divisors, whose sum is σ = 58542110. Its totient is φ = 58542108.

The previous prime is 58542091. The next prime is 58542139. The reversal of 58542109 is 90124585.

Together with previous prime (58542091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30769209 + 27772900 = 5547^2 + 5270^2 .

It is a cyclic number.

It is not a de Polignac number, because 58542109 - 2⁹ = 58541597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58542139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29271054 + 29271055.

It is an arithmetic number, because the mean of its divisors is an integer number (29271055).

Almost surely, 2^58542109 is an apocalyptic number.

It is an amenable number.

58542109 is a deficient number, since it is larger than the sum of its proper divisors (1).

58542109 is an equidigital number, since it uses as much as digits as its factorization.

58542109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 58542109 is about 7651.2815266464. The cubic root of 58542109 is about 388.2899243948.

The spelling of 58542109 in words is "fifty-eight million, five hundred forty-two thousand, one hundred nine".