258533903 has 2 divisors, whose sum is σ = 258533904. Its totient is φ = 258533902.

The previous prime is 258533867. The next prime is 258533959. The reversal of 258533903 is 309335852.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258533903 - 2¹² = 258529807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258533993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129266951 + 129266952.

It is an arithmetic number, because the mean of its divisors is an integer number (129266952).

Almost surely, 2^258533903 is an apocalyptic number.

258533903 is a deficient number, since it is larger than the sum of its proper divisors (1).

258533903 is an equidigital number, since it uses as much as digits as its factorization.

258533903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 258533903 is about 16078.9894893927. The cubic root of 258533903 is about 637.0485050228.

The spelling of 258533903 in words is "two hundred fifty-eight million, five hundred thirty-three thousand, nine hundred three".