2530340 has 12 divisors (see below), whose sum is σ = 5313756. Its totient is φ = 1012128.

The previous prime is 2530321. The next prime is 2530351. The reversal of 2530340 is 430352.

It can be written as a sum of positive squares in 2 ways, for example, as 268324 + 2262016 = 518^2 + 1504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63239 + ... + 63278.

It is an arithmetic number, because the mean of its divisors is an integer number (442813).

2^2530340 is an apocalyptic number.

2530340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530340 is an abundant number, since it is smaller than the sum of its proper divisors (2783416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2530340 is a wasteful number, since it uses less digits than its factorization.

2530340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126526 (or 126524 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 2530340 is about 1590.7042465525. The cubic root of 2530340 is about 136.2677108532.

Adding to 2530340 its reverse (430352), we get a palindrome (2960692).

The spelling of 2530340 in words is "two million, five hundred thirty thousand, three hundred forty".