58139897 has 2 divisors, whose sum is σ = 58139898. Its totient is φ = 58139896.

The previous prime is 58139831. The next prime is 58139933. The reversal of 58139897 is 79893185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55115776 + 3024121 = 7424^2 + 1739^2 .

It is a cyclic number.

It is not a de Polignac number, because 58139897 - 2¹⁶ = 58074361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (58139197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29069948 + 29069949.

It is an arithmetic number, because the mean of its divisors is an integer number (29069949).

Almost surely, 2^58139897 is an apocalyptic number.

It is an amenable number.

58139897 is a deficient number, since it is larger than the sum of its proper divisors (1).

58139897 is an equidigital number, since it uses as much as digits as its factorization.

58139897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 50.

The square root of 58139897 is about 7624.9522621456. The cubic root of 58139897 is about 387.3986348809.

The spelling of 58139897 in words is "fifty-eight million, one hundred thirty-nine thousand, eight hundred ninety-seven".