2530889 has 4 divisors (see below), whose sum is σ = 2592660. Its totient is φ = 2469120.

The previous prime is 2530877. The next prime is 2530907. The reversal of 2530889 is 9880352.

2530889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1392400 + 1138489 = 1180^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530889 - 2⁴ = 2530873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530289) 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, 30824 + ... + 30905.

It is an arithmetic number, because the mean of its divisors is an integer number (648165).

2^2530889 is an apocalyptic number.

It is an amenable number.

2530889 is a deficient number, since it is larger than the sum of its proper divisors (61771).

2530889 is an equidigital number, since it uses as much as digits as its factorization.

2530889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61770.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2530889 is about 1590.8768022697. The cubic root of 2530889 is about 136.2775653343.

The spelling of 2530889 in words is "two million, five hundred thirty thousand, eight hundred eighty-nine".