258460393 has 2 divisors, whose sum is σ = 258460394. Its totient is φ = 258460392.

The previous prime is 258460387. The next prime is 258460399. The reversal of 258460393 is 393064852.

It is a balanced prime because it is at equal distance from previous prime (258460387) and next prime (258460399).

It can be written as a sum of positive squares in only one way, i.e., 232623504 + 25836889 = 15252^2 + 5083^2 .

It is a cyclic number.

It is not a de Polignac number, because 258460393 - 2⁹ = 258459881 is a prime.

It is not a weakly prime, because it can be changed into another prime (258460399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129230196 + 129230197.

It is an arithmetic number, because the mean of its divisors is an integer number (129230197).

Almost surely, 2^258460393 is an apocalyptic number.

It is an amenable number.

258460393 is a deficient number, since it is larger than the sum of its proper divisors (1).

258460393 is an equidigital number, since it uses as much as digits as its factorization.

258460393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 258460393 is about 16076.7034245208. The cubic root of 258460393 is about 636.9881210987.

The spelling of 258460393 in words is "two hundred fifty-eight million, four hundred sixty thousand, three hundred ninety-three".