258275830 has 16 divisors (see below), whose sum is σ = 472518864. Its totient is φ = 101616480.

The previous prime is 258275819. The next prime is 258275861. The reversal of 258275830 is 38572852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211092 + ... + 212311.

It is an arithmetic number, because the mean of its divisors is an integer number (29532429).

Almost surely, 2^258275830 is an apocalyptic number.

258275830 is a deficient number, since it is larger than the sum of its proper divisors (214243034).

258275830 is a wasteful number, since it uses less digits than its factorization.

258275830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423471.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 258275830 is about 16070.9623233956. The cubic root of 258275830 is about 636.8364635184.

The spelling of 258275830 in words is "two hundred fifty-eight million, two hundred seventy-five thousand, eight hundred thirty".