258800081 has 4 divisors (see below), whose sum is σ = 258880752. Its totient is φ = 258719412.

The previous prime is 258800057. The next prime is 258800093. The reversal of 258800081 is 180008852.

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-258800081 is a prime.

It is a super-3 number, since 3×258800081³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (258800011) 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, 35315 + ... + 42008.

It is an arithmetic number, because the mean of its divisors is an integer number (64720188).

Almost surely, 2^258800081 is an apocalyptic number.

It is an amenable number.

258800081 is a deficient number, since it is larger than the sum of its proper divisors (80671).

258800081 is an equidigital number, since it uses as much as digits as its factorization.

258800081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80670.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 258800081 is about 16087.2645592717. The cubic root of 258800081 is about 637.2670580949.

The spelling of 258800081 in words is "two hundred fifty-eight million, eight hundred thousand, eighty-one".