258276965 has 8 divisors (see below), whose sum is σ = 319930368. Its totient is φ = 199956240.

The previous prime is 258276947. The next prime is 258277009. The reversal of 258276965 is 569672852.

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

It is not a de Polignac number, because 258276965 - 2⁶ = 258276901 is a prime.

It is a super-2 number, since 2×258276965² = 133413981299222450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 832997 + ... + 833306.

It is an arithmetic number, because the mean of its divisors is an integer number (39991296).

Almost surely, 2^258276965 is an apocalyptic number.

It is an amenable number.

258276965 is a deficient number, since it is larger than the sum of its proper divisors (61653403).

258276965 is a wasteful number, since it uses less digits than its factorization.

258276965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666339.

The product of its digits is 1814400, while the sum is 50.

The square root of 258276965 is about 16070.9976354923. The cubic root of 258276965 is about 636.8373963820.

The spelling of 258276965 in words is "two hundred fifty-eight million, two hundred seventy-six thousand, nine hundred sixty-five".