258475265 has 8 divisors (see below), whose sum is σ = 323656128. Its totient is φ = 197789680.

The previous prime is 258475253. The next prime is 258475271. The reversal of 258475265 is 562574852.

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

It is not a de Polignac number, because 258475265 - 2⁴ = 258475249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123691 + ... + 1123920.

It is an arithmetic number, because the mean of its divisors is an integer number (40457016).

Almost surely, 2^258475265 is an apocalyptic number.

It is an amenable number.

258475265 is a deficient number, since it is larger than the sum of its proper divisors (65180863).

258475265 is a wasteful number, since it uses less digits than its factorization.

258475265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247639.

The product of its digits is 672000, while the sum is 44.

The square root of 258475265 is about 16077.1659505026. The cubic root of 258475265 is about 637.0003384518. Note that the first 3 decimals are identical.

The spelling of 258475265 in words is "two hundred fifty-eight million, four hundred seventy-five thousand, two hundred sixty-five".