258538647 has 16 divisors (see below), whose sum is σ = 354591072. Its totient is φ = 167437440.

The previous prime is 258538627. The next prime is 258538673. The reversal of 258538647 is 746835852.

It is not a de Polignac number, because 258538647 - 2⁷ = 258538519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258538596 and 258538605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258538627) 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, 89713 + ... + 92549.

It is an arithmetic number, because the mean of its divisors is an integer number (22161942).

Almost surely, 2^258538647 is an apocalyptic number.

258538647 is a deficient number, since it is larger than the sum of its proper divisors (96052425).

258538647 is a wasteful number, since it uses less digits than its factorization.

258538647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698.

The product of its digits is 1612800, while the sum is 48.

The square root of 258538647 is about 16079.1370104244. The cubic root of 258538647 is about 637.0524015326.

The spelling of 258538647 in words is "two hundred fifty-eight million, five hundred thirty-eight thousand, six hundred forty-seven".