10258258 has 4 divisors (see below), whose sum is σ = 15387390. Its totient is φ = 5129128.

The previous prime is 10258249. The next prime is 10258289. The reversal of 10258258 is 85285201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6365529 + 3892729 = 2523^2 + 1973^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564563 + ... + 2564566.

Almost surely, 2^10258258 is an apocalyptic number.

10258258 is a deficient number, since it is larger than the sum of its proper divisors (5129132).

10258258 is an equidigital number, since it uses as much as digits as its factorization.

10258258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129131.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 10258258 is about 3202.8515419857. The cubic root of 10258258 is about 217.2823947724.

The spelling of 10258258 in words is "ten million, two hundred fifty-eight thousand, two hundred fifty-eight".