2531541 has 16 divisors (see below), whose sum is σ = 3709440. Its totient is φ = 1528560.

The previous prime is 2531537. The next prime is 2531549. The reversal of 2531541 is 1451352.

It is not a de Polignac number, because 2531541 - 2² = 2531537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (231840).

2^2531541 is an apocalyptic number.

It is an amenable number.

2531541 is a deficient number, since it is larger than the sum of its proper divisors (1177899).

2531541 is a wasteful number, since it uses less digits than its factorization.

2531541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its digits is 600, while the sum is 21.

The square root of 2531541 is about 1591.0817075185. The cubic root of 2531541 is about 136.2892668015.

Adding to 2531541 its reverse (1451352), we get a palindrome (3982893).

The spelling of 2531541 in words is "two million, five hundred thirty-one thousand, five hundred forty-one".