2533450243 has 4 divisors (see below), whose sum is σ = 2542402648. Its totient is φ = 2524497840.

The previous prime is 2533450193. The next prime is 2533450277. The reversal of 2533450243 is 3420543352.

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

It is a cyclic number.

It is not a de Polignac number, because 2533450243 - 2⁹ = 2533449731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2533450343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475778 + ... + 4476343.

It is an arithmetic number, because the mean of its divisors is an integer number (635600662).

Almost surely, 2^2533450243 is an apocalyptic number.

2533450243 is a deficient number, since it is larger than the sum of its proper divisors (8952405).

2533450243 is an equidigital number, since it uses as much as digits as its factorization.

2533450243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952404.

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

The square root of 2533450243 is about 50333.3909348456. The cubic root of 2533450243 is about 1363.2352050188.

Adding to 2533450243 its reverse (3420543352), we get a palindrome (5953993595).

The spelling of 2533450243 in words is "two billion, five hundred thirty-three million, four hundred fifty thousand, two hundred forty-three".