2258849165 has 4 divisors (see below), whose sum is σ = 2710619004. Its totient is φ = 1807079328.

The previous prime is 2258849141. The next prime is 2258849213. The reversal of 2258849165 is 5619488522.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 391485796 + 1867363369 = 19786^2 + 43213^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258849165 - 2⁶ = 2258849101 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 225884912 + ... + 225884921.

It is an arithmetic number, because the mean of its divisors is an integer number (677654751).

Almost surely, 2^2258849165 is an apocalyptic number.

It is an amenable number.

2258849165 is a deficient number, since it is larger than the sum of its proper divisors (451769839).

2258849165 is an equidigital number, since it uses as much as digits as its factorization.

2258849165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451769838.

The product of its digits is 1382400, while the sum is 50.

The square root of 2258849165 is about 47527.3517566464. The cubic root of 2258849165 is about 1312.0863293770.

The spelling of 2258849165 in words is "two billion, two hundred fifty-eight million, eight hundred forty-nine thousand, one hundred sixty-five".