2531241 has 6 divisors (see below), whose sum is σ = 3656250. Its totient is φ = 1687488.

The previous prime is 2531233. The next prime is 2531261. The reversal of 2531241 is 1421352.

It can be written as a sum of positive squares in only one way, i.e., 1490841 + 1040400 = 1221^2 + 1020^2 .

It is not a de Polignac number, because 2531241 - 2³ = 2531233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2531261) 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 5 ways as a sum of consecutive naturals, for example, 140616 + ... + 140633.

It is an arithmetic number, because the mean of its divisors is an integer number (609375).

2^2531241 is an apocalyptic number.

It is an amenable number.

2531241 is a deficient number, since it is larger than the sum of its proper divisors (1125009).

2531241 is a wasteful number, since it uses less digits than its factorization.

2531241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281255 (or 281252 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2531241 is about 1590.9874292401. The cubic root of 2531241 is about 136.2838829404.

Adding to 2531241 its reverse (1421352), we get a palindrome (3952593).

It can be divided in two parts, 2531 and 241, that added together give a palindrome (2772).

The spelling of 2531241 in words is "two million, five hundred thirty-one thousand, two hundred forty-one".