2540331 has 12 divisors (see below), whose sum is σ = 3687840. Its totient is φ = 1685040.

The previous prime is 2540323. The next prime is 2540339. The reversal of 2540331 is 1330452.

2540331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2540323) and next prime (2540339).

It is not a de Polignac number, because 2540331 - 2³ = 2540323 is a prime.

It is a super-2 number, since 2×2540331² = 12906563179122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540339) 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 11 ways as a sum of consecutive naturals, for example, 1561 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (307320).

2^2540331 is an apocalyptic number.

2540331 is a deficient number, since it is larger than the sum of its proper divisors (1147509).

2540331 is a wasteful number, since it uses less digits than its factorization.

2540331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2540331 is about 1593.8415856038. The cubic root of 2540331 is about 136.4468254823.

Adding to 2540331 its reverse (1330452), we get a palindrome (3870783).

The spelling of 2540331 in words is "two million, five hundred forty thousand, three hundred thirty-one".