52471631 has 2 divisors, whose sum is σ = 52471632. Its totient is φ = 52471630.

The previous prime is 52471607. The next prime is 52471637. The reversal of 52471631 is 13617425.

52471631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52471631 is a prime.

It is a super-3 number, since 3×52471631³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52471594 and 52471603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52471637) 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 as a sum of consecutive naturals, namely, 26235815 + 26235816.

It is an arithmetic number, because the mean of its divisors is an integer number (26235816).

Almost surely, 2^52471631 is an apocalyptic number.

52471631 is a deficient number, since it is larger than the sum of its proper divisors (1).

52471631 is an equidigital number, since it uses as much as digits as its factorization.

52471631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 52471631 is about 7243.7304615785. The cubic root of 52471631 is about 374.3761621866.

The spelling of 52471631 in words is "fifty-two million, four hundred seventy-one thousand, six hundred thirty-one".