2532540631 has 4 divisors (see below), whose sum is σ = 2532725200. Its totient is φ = 2532356064.

The previous prime is 2532540613. The next prime is 2532540667. The reversal of 2532540631 is 1360452352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2532540631 - 2⁷ = 2532540503 is a prime.

It is a super-2 number, since 2×2532540631² = 12827524095331756322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2532540593 and 2532540602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532540611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69891 + ... + 99748.

It is an arithmetic number, because the mean of its divisors is an integer number (633181300).

Almost surely, 2^2532540631 is an apocalyptic number.

2532540631 is a deficient number, since it is larger than the sum of its proper divisors (184569).

2532540631 is a wasteful number, since it uses less digits than its factorization.

2532540631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184568.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2532540631 is about 50324.3542531844. The cubic root of 2532540631 is about 1363.0720331363.

Adding to 2532540631 its reverse (1360452352), we get a palindrome (3892992983).

It can be divided in two parts, 25325 and 40631, that added together give a palindrome (65956).

The spelling of 2532540631 in words is "two billion, five hundred thirty-two million, five hundred forty thousand, six hundred thirty-one".