2552243 has 4 divisors (see below), whose sum is σ = 2555448. Its totient is φ = 2549040.

The previous prime is 2552239. The next prime is 2552279. The reversal of 2552243 is 3422552.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2552243 - 2² = 2552239 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁶ + 5² + 5⁹ + 2¹¹ + 2¹⁶ + 4 + 3¹² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (638862).

2^2552243 is an apocalyptic number.

2552243 is a deficient number, since it is larger than the sum of its proper divisors (3205).

2552243 is a wasteful number, since it uses less digits than its factorization.

2552243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its digits is 2400, while the sum is 23.

The square root of 2552243 is about 1597.5740984380. The cubic root of 2552243 is about 136.6597663249.

Adding to 2552243 its reverse (3422552), we get a palindrome (5974795).

The spelling of 2552243 in words is "two million, five hundred fifty-two thousand, two hundred forty-three".