2552989 has 4 divisors (see below), whose sum is σ = 2596320. Its totient is φ = 2509660.

The previous prime is 2552987. The next prime is 2553017. The reversal of 2552989 is 9892552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2552989 - 2¹ = 2552987 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 (2552983) 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, 21577 + ... + 21694.

It is an arithmetic number, because the mean of its divisors is an integer number (649080).

2^2552989 is an apocalyptic number.

It is an amenable number.

2552989 is a deficient number, since it is larger than the sum of its proper divisors (43331).

2552989 is an equidigital number, since it uses as much as digits as its factorization.

2552989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43330.

The product of its digits is 64800, while the sum is 40.

The square root of 2552989 is about 1597.8075603777. The cubic root of 2552989 is about 136.6730798762.

The spelling of 2552989 in words is "two million, five hundred fifty-two thousand, nine hundred eighty-nine".