258538295 has 32 divisors (see below), whose sum is σ = 345047040. Its totient is φ = 185080320.

The previous prime is 258538289. The next prime is 258538303. The reversal of 258538295 is 592835852.

It is a happy number.

It is not a de Polignac number, because 258538295 - 2¹⁶ = 258472759 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154634 + ... + 156296.

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

Almost surely, 2^258538295 is an apocalyptic number.

258538295 is a deficient number, since it is larger than the sum of its proper divisors (86508745).

258538295 is a wasteful number, since it uses less digits than its factorization.

258538295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775.

The product of its digits is 864000, while the sum is 47.

The square root of 258538295 is about 16079.1260645596. The cubic root of 258538295 is about 637.0521124171.

The spelling of 258538295 in words is "two hundred fifty-eight million, five hundred thirty-eight thousand, two hundred ninety-five".