52472731 has 2 divisors, whose sum is σ = 52472732. Its totient is φ = 52472730.

The previous prime is 52472713. The next prime is 52472741. The reversal of 52472731 is 13727425.

52472731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (52472713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52472731 - 2¹⁷ = 52341659 is a prime.

It is a super-2 number, since 2×52472731² = 5506774997196722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52472693 and 52472702.

It is not a weakly prime, because it can be changed into another prime (52472711) 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, 26236365 + 26236366.

It is an arithmetic number, because the mean of its divisors is an integer number (26236366).

Almost surely, 2^52472731 is an apocalyptic number.

52472731 is a deficient number, since it is larger than the sum of its proper divisors (1).

52472731 is an equidigital number, since it uses as much as digits as its factorization.

52472731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 52472731 is about 7243.8063889091. The cubic root of 52472731 is about 374.3787782726.

The spelling of 52472731 in words is "fifty-two million, four hundred seventy-two thousand, seven hundred thirty-one".