52731071 has 4 divisors (see below), whose sum is σ = 52746144. Its totient is φ = 52716000.

The previous prime is 52731067. The next prime is 52731079. The reversal of 52731071 is 17013725.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52731071 - 2² = 52731067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52731071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52731079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (13186536).

Almost surely, 2^52731071 is an apocalyptic number.

52731071 is a deficient number, since it is larger than the sum of its proper divisors (15073).

52731071 is an equidigital number, since it uses as much as digits as its factorization.

52731071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 52731071 is about 7261.6162801404. The cubic root of 52731071 is about 374.9921681327.

Adding to 52731071 its reverse (17013725), we get a palindrome (69744796).

The spelling of 52731071 in words is "fifty-two million, seven hundred thirty-one thousand, seventy-one".