2531325637 has 2 divisors, whose sum is σ = 2531325638. Its totient is φ = 2531325636.

The previous prime is 2531325613. The next prime is 2531325647. The reversal of 2531325637 is 7365231352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1710732321 + 820593316 = 41361^2 + 28646^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531325637 - 2²³ = 2522937029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2531325596 and 2531325605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531325647) 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 as a sum of consecutive naturals, namely, 1265662818 + 1265662819.

It is an arithmetic number, because the mean of its divisors is an integer number (1265662819).

Almost surely, 2^2531325637 is an apocalyptic number.

It is an amenable number.

2531325637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531325637 is an equidigital number, since it uses as much as digits as its factorization.

2531325637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 37.

The square root of 2531325637 is about 50312.2811746794. The cubic root of 2531325637 is about 1362.8540189630.

Adding to 2531325637 its reverse (7365231352), we get a palindrome (9896556989).

The spelling of 2531325637 in words is "two billion, five hundred thirty-one million, three hundred twenty-five thousand, six hundred thirty-seven".