258081001 has 4 divisors (see below), whose sum is σ = 258993232. Its totient is φ = 257168772.

The previous prime is 258080989. The next prime is 258081017. The reversal of 258081001 is 100180852.

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 not a de Polignac number, because 258081001 - 2⁹ = 258080489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258081041) 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, 455691 + ... + 456256.

It is an arithmetic number, because the mean of its divisors is an integer number (64748308).

Almost surely, 2^258081001 is an apocalyptic number.

It is an amenable number.

258081001 is a deficient number, since it is larger than the sum of its proper divisors (912231).

258081001 is an equidigital number, since it uses as much as digits as its factorization.

258081001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912230.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 258081001 is about 16064.8996573275. The cubic root of 258081001 is about 636.6762918360.

The spelling of 258081001 in words is "two hundred fifty-eight million, eighty-one thousand, one".