58304021 has 2 divisors, whose sum is σ = 58304022. Its totient is φ = 58304020.

The previous prime is 58303961. The next prime is 58304023. The reversal of 58304021 is 12040385.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32649796 + 25654225 = 5714^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 58304021 - 2⁶ = 58303957 is a prime.

Together with 58304023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58304023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29152010 + 29152011.

It is an arithmetic number, because the mean of its divisors is an integer number (29152011).

Almost surely, 2^58304021 is an apocalyptic number.

It is an amenable number.

58304021 is a deficient number, since it is larger than the sum of its proper divisors (1).

58304021 is an equidigital number, since it uses as much as digits as its factorization.

58304021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 58304021 is about 7635.7069744720. The cubic root of 58304021 is about 387.7628235715.

The spelling of 58304021 in words is "fifty-eight million, three hundred four thousand, twenty-one".