2552789 has 4 divisors (see below), whose sum is σ = 2594700. Its totient is φ = 2510880.

The previous prime is 2552779. The next prime is 2552807. The reversal of 2552789 is 9872552.

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 970225 + 1582564 = 985^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552789 - 2⁴ = 2552773 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 (2552729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20864 + ... + 20985.

It is an arithmetic number, because the mean of its divisors is an integer number (648675).

2^2552789 is an apocalyptic number.

It is an amenable number.

2552789 is a deficient number, since it is larger than the sum of its proper divisors (41911).

2552789 is an equidigital number, since it uses as much as digits as its factorization.

2552789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41910.

The product of its digits is 50400, while the sum is 38.

The square root of 2552789 is about 1597.7449733922. The cubic root of 2552789 is about 136.6695108140.

The spelling of 2552789 in words is "two million, five hundred fifty-two thousand, seven hundred eighty-nine".