258385533 has 32 divisors (see below), whose sum is σ = 418037760. Its totient is φ = 138581760.

The previous prime is 258385531. The next prime is 258385559. The reversal of 258385533 is 335583852.

It is not a de Polignac number, because 258385533 - 2¹ = 258385531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258385531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170248 + ... + 171758.

It is an arithmetic number, because the mean of its divisors is an integer number (13063680).

Almost surely, 2^258385533 is an apocalyptic number.

It is an amenable number.

258385533 is a deficient number, since it is larger than the sum of its proper divisors (159652227).

258385533 is a wasteful number, since it uses less digits than its factorization.

258385533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017.

The product of its digits is 432000, while the sum is 42.

The square root of 258385533 is about 16074.3750422839. The cubic root of 258385533 is about 636.9266164652.

The spelling of 258385533 in words is "two hundred fifty-eight million, three hundred eighty-five thousand, five hundred thirty-three".