258081028 has 12 divisors (see below), whose sum is σ = 475412560. Its totient is φ = 122248872.

The previous prime is 258081017. The next prime is 258081037. The reversal of 258081028 is 820180852.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 258080984 and 258081002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697826 + ... + 1697977.

Almost surely, 2^258081028 is an apocalyptic number.

It is an amenable number.

258081028 is a deficient number, since it is larger than the sum of its proper divisors (217331532).

258081028 is a wasteful number, since it uses less digits than its factorization.

258081028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395826 (or 3395824 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 258081028 is about 16064.9004976688. The cubic root of 258081028 is about 636.6763140387.

The spelling of 258081028 in words is "two hundred fifty-eight million, eighty-one thousand, twenty-eight".