2253638258 has 8 divisors (see below), whose sum is σ = 3382413228. Its totient is φ = 1126167184.

The previous prime is 2253638243. The next prime is 2253638263. The reversal of 2253638258 is 8528363522.

It can be written as a sum of positive squares in 2 ways, for example, as 2227556809 + 26081449 = 47197^2 + 5107^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321641 + ... + 328572.

Almost surely, 2^2253638258 is an apocalyptic number.

2253638258 is a deficient number, since it is larger than the sum of its proper divisors (1128774970).

2253638258 is a wasteful number, since it uses less digits than its factorization.

2253638258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651948.

The product of its digits is 691200, while the sum is 44.

The square root of 2253638258 is about 47472.5000184317. The cubic root of 2253638258 is about 1311.0766081130.

The spelling of 2253638258 in words is "two billion, two hundred fifty-three million, six hundred thirty-eight thousand, two hundred fifty-eight".