58125721 has 2 divisors, whose sum is σ = 58125722. Its totient is φ = 58125720.

The previous prime is 58125689. The next prime is 58125733. The reversal of 58125721 is 12752185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54169600 + 3956121 = 7360^2 + 1989^2 .

It is a cyclic number.

It is not a de Polignac number, because 58125721 - 2⁵ = 58125689 is a prime.

It is not a weakly prime, because it can be changed into another prime (58125421) 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, 29062860 + 29062861.

It is an arithmetic number, because the mean of its divisors is an integer number (29062861).

Almost surely, 2^58125721 is an apocalyptic number.

It is an amenable number.

58125721 is a deficient number, since it is larger than the sum of its proper divisors (1).

58125721 is an equidigital number, since it uses as much as digits as its factorization.

58125721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 31.

The square root of 58125721 is about 7624.0226258846. The cubic root of 58125721 is about 387.3671464094.

The spelling of 58125721 in words is "fifty-eight million, one hundred twenty-five thousand, seven hundred twenty-one".