2530919 has 4 divisors (see below), whose sum is σ = 2561496. Its totient is φ = 2500344.

The previous prime is 2530907. The next prime is 2530921. The reversal of 2530919 is 9190352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2530919 - 2⁸ = 2530663 is a prime.

It is a super-2 number, since 2×2530919² = 12811101969122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2530891 and 2530900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530999) 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, 15164 + ... + 15329.

It is an arithmetic number, because the mean of its divisors is an integer number (640374).

2^2530919 is an apocalyptic number.

2530919 is a deficient number, since it is larger than the sum of its proper divisors (30577).

2530919 is an equidigital number, since it uses as much as digits as its factorization.

2530919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30576.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2530919 is about 1590.8862310046. The cubic root of 2530919 is about 136.2781037895.

The spelling of 2530919 in words is "two million, five hundred thirty thousand, nine hundred nineteen".