2531411 has 4 divisors (see below), whose sum is σ = 2541024. Its totient is φ = 2521800.

The previous prime is 2531393. The next prime is 2531413. The reversal of 2531411 is 1141352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2531411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2531411.

It is not an unprimeable number, because it can be changed into a prime (2531413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4400 + ... + 4941.

It is an arithmetic number, because the mean of its divisors is an integer number (635256).

2^2531411 is an apocalyptic number.

2531411 is a deficient number, since it is larger than the sum of its proper divisors (9613).

2531411 is an equidigital number, since it uses as much as digits as its factorization.

2531411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9612.

The product of its digits is 120, while the sum is 17.

The square root of 2531411 is about 1591.0408542838. The cubic root of 2531411 is about 136.2869338472.

Adding to 2531411 its reverse (1141352), we get a palindrome (3672763).

The spelling of 2531411 in words is "two million, five hundred thirty-one thousand, four hundred eleven".