2045052253 has 4 divisors (see below), whose sum is σ = 2046242268. Its totient is φ = 2043862240.

The previous prime is 2045052241. The next prime is 2045052257. The reversal of 2045052253 is 3522505402.

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 1812886084 + 232166169 = 42578^2 + 15237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045052253 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 (2045052257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592426 + ... + 595867.

It is an arithmetic number, because the mean of its divisors is an integer number (511560567).

Almost surely, 2^2045052253 is an apocalyptic number.

It is an amenable number.

2045052253 is a deficient number, since it is larger than the sum of its proper divisors (1190015).

2045052253 is a wasteful number, since it uses less digits than its factorization.

2045052253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190014.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2045052253 is about 45222.2539575373. The cubic root of 2045052253 is about 1269.3112708085.

Adding to 2045052253 its reverse (3522505402), we get a palindrome (5567557655).

The spelling of 2045052253 in words is "two billion, forty-five million, fifty-two thousand, two hundred fifty-three".