2045253 has 24 divisors (see below), whose sum is σ = 3320512. Its totient is φ = 1096704.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045253 is 3525402.

2045253 is a nontrivial binomial coefficient, being equal to C(2023, 2).

It is not a de Polignac number, because 2045253 - 2⁶ = 2045189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5901 + ... + 6237.

2^2045253 is an apocalyptic number.

2045253 is the 2022-nd triangular number.

It is an amenable number.

2045253 is a deficient number, since it is larger than the sum of its proper divisors (1275259).

2045253 is a wasteful number, since it uses less digits than its factorization.

2045253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2045253 is about 1430.1234212473. The cubic root of 2045253 is about 126.9352802281.

The spelling of 2045253 in words is "two million, forty-five thousand, two hundred fifty-three".