2530868 has 6 divisors (see below), whose sum is σ = 4429026. Its totient is φ = 1265432.

The previous prime is 2530867. The next prime is 2530873. The reversal of 2530868 is 8680352.

2530868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1909924 + 620944 = 1382^2 + 788^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530867) 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 as a sum of consecutive naturals, namely, 316355 + ... + 316362.

It is an arithmetic number, because the mean of its divisors is an integer number (738171).

2^2530868 is an apocalyptic number.

It is an amenable number.

2530868 is a deficient number, since it is larger than the sum of its proper divisors (1898158).

2530868 is a wasteful number, since it uses less digits than its factorization.

2530868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632721 (or 632719 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2530868 is about 1590.8702021221. The cubic root of 2530868 is about 136.2771884131.

The spelling of 2530868 in words is "two million, five hundred thirty thousand, eight hundred sixty-eight".