258509275 has 12 divisors (see below), whose sum is σ = 321778512. Its totient is φ = 206015840.

The previous prime is 258509263. The next prime is 258509291. The reversal of 258509275 is 572905852.

It is not a de Polignac number, because 258509275 - 2¹³ = 258501083 is a prime.

It is a super-2 number, since 2×258509275² = 133654090522051250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13084 + ... + 26233.

It is an arithmetic number, because the mean of its divisors is an integer number (26814876).

Almost surely, 2^258509275 is an apocalyptic number.

258509275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

258509275 is a deficient number, since it is larger than the sum of its proper divisors (63269237).

258509275 is a wasteful number, since it uses less digits than its factorization.

258509275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39590 (or 39585 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 258509275 is about 16078.2236270056. The cubic root of 258509275 is about 637.0282759173.

The spelling of 258509275 in words is "two hundred fifty-eight million, five hundred nine thousand, two hundred seventy-five".