52071331 has 8 divisors (see below), whose sum is σ = 56136080. Its totient is φ = 48015072.

The previous prime is 52071317. The next prime is 52071337. The reversal of 52071331 is 13317025.

52071331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52071331 - 2²¹ = 49974179 is a prime.

It is a super-2 number, since 2×52071331² = 5422847024223122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52071337) 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 in 7 ways as a sum of consecutive naturals, for example, 17176 + ... + 19978.

It is an arithmetic number, because the mean of its divisors is an integer number (7017010).

Almost surely, 2^52071331 is an apocalyptic number.

52071331 is a deficient number, since it is larger than the sum of its proper divisors (4064749).

52071331 is a wasteful number, since it uses less digits than its factorization.

52071331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 52071331 is about 7216.0467709127. The cubic root of 52071331 is about 373.4217067754.

Adding to 52071331 its reverse (13317025), we get a palindrome (65388356).

The spelling of 52071331 in words is "fifty-two million, seventy-one thousand, three hundred thirty-one".