258345412 has 24 divisors (see below), whose sum is σ = 488497856. Its totient is φ = 118840608.

The previous prime is 258345391. The next prime is 258345443. The reversal of 258345412 is 214543852.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7873 + ... + 24055.

Almost surely, 2^258345412 is an apocalyptic number.

It is an amenable number.

258345412 is a deficient number, since it is larger than the sum of its proper divisors (230152444).

258345412 is a wasteful number, since it uses less digits than its factorization.

258345412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507 (or 16505 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 258345412 is about 16073.1270137456. The cubic root of 258345412 is about 636.8936483455.

The spelling of 258345412 in words is "two hundred fifty-eight million, three hundred forty-five thousand, four hundred twelve".