5281237631 has 2 divisors, whose sum is σ = 5281237632. Its totient is φ = 5281237630.

The previous prime is 5281237607. The next prime is 5281237649. The reversal of 5281237631 is 1367321825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5281237631 - 2⁶ = 5281237567 is a prime.

It is a super-2 number, since 2×5281237631² = 55782941830180984322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5281237601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2640618815 + 2640618816.

It is an arithmetic number, because the mean of its divisors is an integer number (2640618816).

Almost surely, 2^5281237631 is an apocalyptic number.

5281237631 is a deficient number, since it is larger than the sum of its proper divisors (1).

5281237631 is an equidigital number, since it uses as much as digits as its factorization.

5281237631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 5281237631 is about 72672.1241673862. The cubic root of 5281237631 is about 1741.4535824394.

The spelling of 5281237631 in words is "five billion, two hundred eighty-one million, two hundred thirty-seven thousand, six hundred thirty-one".