258030863 has 2 divisors, whose sum is σ = 258030864. Its totient is φ = 258030862.

The previous prime is 258030841. The next prime is 258030881. The reversal of 258030863 is 368030852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258030863 - 2¹⁰ = 258029839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258030803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129015431 + 129015432.

It is an arithmetic number, because the mean of its divisors is an integer number (129015432).

Almost surely, 2^258030863 is an apocalyptic number.

258030863 is a deficient number, since it is larger than the sum of its proper divisors (1).

258030863 is an equidigital number, since it uses as much as digits as its factorization.

258030863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 258030863 is about 16063.3390987055. The cubic root of 258030863 is about 636.6350596348.

The spelling of 258030863 in words is "two hundred fifty-eight million, thirty thousand, eight hundred sixty-three".