258191853 has 16 divisors (see below), whose sum is σ = 348020736. Its totient is φ = 170256240.

The previous prime is 258191827. The next prime is 258191861. The reversal of 258191853 is 358191852.

It is not a de Polignac number, because 258191853 - 2⁶ = 258191789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258191863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110568 + ... + 112878.

It is an arithmetic number, because the mean of its divisors is an integer number (21751296).

Almost surely, 2^258191853 is an apocalyptic number.

It is an amenable number.

258191853 is a deficient number, since it is larger than the sum of its proper divisors (89828883).

258191853 is a wasteful number, since it uses less digits than its factorization.

258191853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704.

The product of its digits is 86400, while the sum is 42.

The square root of 258191853 is about 16068.3494174106. The cubic root of 258191853 is about 636.7674347170.

Subtracting 258191853 from its reverse (358191852), we obtain a palindrome (99999999).

It can be divided in two parts, 25819 and 1853, that added together give a palindrome (27672).

The spelling of 258191853 in words is "two hundred fifty-eight million, one hundred ninety-one thousand, eight hundred fifty-three".