258925194 has 64 divisors (see below), whose sum is σ = 630000000. Its totient is φ = 78174720.

The previous prime is 258925159. The next prime is 258925201. The reversal of 258925194 is 491529852.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (259200) is a multiple of the sum of its prime factors (1620).

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, 206682 + ... + 207930.

It is an arithmetic number, because the mean of its divisors is an integer number (9843750).

Almost surely, 2^258925194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258925194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315000000).

258925194 is an abundant number, since it is smaller than the sum of its proper divisors (371074806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258925194 is a wasteful number, since it uses less digits than its factorization.

258925194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1614 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 258925194 is about 16091.1526622551. The cubic root of 258925194 is about 637.3697339370.

The spelling of 258925194 in words is "two hundred fifty-eight million, nine hundred twenty-five thousand, one hundred ninety-four".