258260187 has 8 divisors (see below), whose sum is σ = 345190480. Its totient is φ = 171751680.

The previous prime is 258260147. The next prime is 258260213. The reversal of 258260187 is 781062852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258260187 - 2⁷ = 258260059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258260147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104014 + ... + 106467.

It is an arithmetic number, because the mean of its divisors is an integer number (43148810).

Almost surely, 2^258260187 is an apocalyptic number.

258260187 is a deficient number, since it is larger than the sum of its proper divisors (86930293).

258260187 is a wasteful number, since it uses less digits than its factorization.

258260187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210893.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 258260187 is about 16070.4756307957. The cubic root of 258260187 is about 636.8236061611.

The spelling of 258260187 in words is "two hundred fifty-eight million, two hundred sixty thousand, one hundred eighty-seven".