258937489 has 16 divisors (see below), whose sum is σ = 284135040. Its totient is φ = 235006720.

The previous prime is 258937477. The next prime is 258937493. The reversal of 258937489 is 984739852.

It is a cyclic number.

It is not a de Polignac number, because 258937489 - 2⁷ = 258937361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258931489) 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, 50724 + ... + 55594.

It is an arithmetic number, because the mean of its divisors is an integer number (17758440).

Almost surely, 2^258937489 is an apocalyptic number.

It is an amenable number.

258937489 is a deficient number, since it is larger than the sum of its proper divisors (25197551).

258937489 is a wasteful number, since it uses less digits than its factorization.

258937489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000.

The product of its digits is 4354560, while the sum is 55.

The square root of 258937489 is about 16091.5346999595. The cubic root of 258937489 is about 637.3798222264.

The spelling of 258937489 in words is "two hundred fifty-eight million, nine hundred thirty-seven thousand, four hundred eighty-nine".