258801089 has 4 divisors (see below), whose sum is σ = 259961856. Its totient is φ = 257640324.

The previous prime is 258801079. The next prime is 258801097. The reversal of 258801089 is 980108852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258801089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258801079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580049 + ... + 580494.

It is an arithmetic number, because the mean of its divisors is an integer number (64990464).

Almost surely, 2^258801089 is an apocalyptic number.

It is an amenable number.

258801089 is a deficient number, since it is larger than the sum of its proper divisors (1160767).

258801089 is a wasteful number, since it uses less digits than its factorization.

258801089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160766.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 258801089 is about 16087.2958883710. The cubic root of 258801089 is about 637.2678854573.

The spelling of 258801089 in words is "two hundred fifty-eight million, eight hundred one thousand, eighty-nine".