258397327 has 2 divisors, whose sum is σ = 258397328. Its totient is φ = 258397326.

The previous prime is 258397319. The next prime is 258397339. The reversal of 258397327 is 723793852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258397327 - 2³ = 258397319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258397357) 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, 129198663 + 129198664.

It is an arithmetic number, because the mean of its divisors is an integer number (129198664).

Almost surely, 2^258397327 is an apocalyptic number.

258397327 is a deficient number, since it is larger than the sum of its proper divisors (1).

258397327 is an equidigital number, since it uses as much as digits as its factorization.

258397327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 258397327 is about 16074.7418952840. The cubic root of 258397327 is about 636.9363071499.

The spelling of 258397327 in words is "two hundred fifty-eight million, three hundred ninety-seven thousand, three hundred twenty-seven".