2530857 has 16 divisors (see below), whose sum is σ = 4060160. Its totient is φ = 1369872.

The previous prime is 2530831. The next prime is 2530867. The reversal of 2530857 is 7580352.

It is a happy number.

2530857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2530857 - 2⁶ = 2530793 is a prime.

It is a Duffinian 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 in 15 ways as a sum of consecutive naturals, for example, 2773 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (253760).

2^2530857 is an apocalyptic number.

It is an amenable number.

2530857 is a deficient number, since it is larger than the sum of its proper divisors (1529303).

2530857 is a wasteful number, since it uses less digits than its factorization.

2530857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2530857 is about 1590.8667448910. The cubic root of 2530857 is about 136.2769909774.

The spelling of 2530857 in words is "two million, five hundred thirty thousand, eight hundred fifty-seven".