58318321 has 2 divisors, whose sum is σ = 58318322. Its totient is φ = 58318320.

The previous prime is 58318319. The next prime is 58318331. The reversal of 58318321 is 12381385.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56175025 + 2143296 = 7495^2 + 1464^2 .

It is a cyclic number.

It is not a de Polignac number, because 58318321 - 2¹ = 58318319 is a prime.

Together with 58318319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (58318331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29159160 + 29159161.

It is an arithmetic number, because the mean of its divisors is an integer number (29159161).

Almost surely, 2^58318321 is an apocalyptic number.

It is an amenable number.

58318321 is a deficient number, since it is larger than the sum of its proper divisors (1).

58318321 is an equidigital number, since it uses as much as digits as its factorization.

58318321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 58318321 is about 7636.6433071082. The cubic root of 58318321 is about 387.7945226722.

The spelling of 58318321 in words is "fifty-eight million, three hundred eighteen thousand, three hundred twenty-one".