2553043243 has 8 divisors (see below), whose sum is σ = 2744593920. Its totient is φ = 2367210600.

The previous prime is 2553043183. The next prime is 2553043247. The reversal of 2553043243 is 3423403552.

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

It is a cyclic number.

It is not a de Polignac number, because 2553043243 - 2⁹ = 2553042731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553043247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428583 + ... + 1430368.

It is an arithmetic number, because the mean of its divisors is an integer number (343074240).

Almost surely, 2^2553043243 is an apocalyptic number.

2553043243 is a deficient number, since it is larger than the sum of its proper divisors (191550677).

2553043243 is a wasteful number, since it uses less digits than its factorization.

2553043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859017.

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 2553043243 is about 50527.6483026867. The cubic root of 2553043243 is about 1366.7404782727.

Adding to 2553043243 its reverse (3423403552), we get a palindrome (5976446795).

The spelling of 2553043243 in words is "two billion, five hundred fifty-three million, forty-three thousand, two hundred forty-three".