2045022253 has 4 divisors (see below), whose sum is σ = 2133936288. Its totient is φ = 1956108220.

The previous prime is 2045022247. The next prime is 2045022257. The reversal of 2045022253 is 3522205402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045022253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045022257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44456983 + ... + 44457028.

It is an arithmetic number, because the mean of its divisors is an integer number (533484072).

Almost surely, 2^2045022253 is an apocalyptic number.

2045022253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2045022253 is a deficient number, since it is larger than the sum of its proper divisors (88914035).

2045022253 is an equidigital number, since it uses as much as digits as its factorization.

2045022253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88914034.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2045022253 is about 45221.9222612219. The cubic root of 2045022253 is about 1269.3050640357.

Adding to 2045022253 its reverse (3522205402), we get a palindrome (5567227655).

The spelling of 2045022253 in words is "two billion, forty-five million, twenty-two thousand, two hundred fifty-three".