258284345 has 32 divisors (see below), whose sum is σ = 345047040. Its totient is φ = 184040640.

The previous prime is 258284339. The next prime is 258284357. The reversal of 258284345 is 543482852.

It is not a de Polignac number, because 258284345 - 2¹² = 258280249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719276 + ... + 719634.

It is an arithmetic number, because the mean of its divisors is an integer number (10782720).

Almost surely, 2^258284345 is an apocalyptic number.

It is an amenable number.

258284345 is a deficient number, since it is larger than the sum of its proper divisors (86762695).

258284345 is a wasteful number, since it uses less digits than its factorization.

258284345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its digits is 307200, while the sum is 41.

The square root of 258284345 is about 16071.2272400088. The cubic root of 258284345 is about 636.8434619832.

The spelling of 258284345 in words is "two hundred fifty-eight million, two hundred eighty-four thousand, three hundred forty-five".