52540531 has 8 divisors (see below), whose sum is σ = 53233200. Its totient is φ = 51851808.

The previous prime is 52540519. The next prime is 52540561. The reversal of 52540531 is 13504525.

52540531 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 52540531 - 2¹⁷ = 52409459 is a prime.

It is a super-2 number, since 2×52540531² = 5521014795523922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52540496 and 52540505.

It is not an unprimeable number, because it can be changed into a prime (52540511) 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, 33145 + ... + 34693.

It is an arithmetic number, because the mean of its divisors is an integer number (6654150).

Almost surely, 2^52540531 is an apocalyptic number.

52540531 is a deficient number, since it is larger than the sum of its proper divisors (692669).

52540531 is a wasteful number, since it uses less digits than its factorization.

52540531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 52540531 is about 7248.4847382056. The cubic root of 52540531 is about 374.5399537766.

The spelling of 52540531 in words is "fifty-two million, five hundred forty thousand, five hundred thirty-one".