52073531 has 4 divisors (see below), whose sum is σ = 53869200. Its totient is φ = 50277864.

The previous prime is 52073513. The next prime is 52073537. The reversal of 52073531 is 13537025.

52073531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52073531 is a prime.

It is a super-2 number, since 2×52073531² = 5423305261615922, which contains 22 as substring.

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 52073531.

It is not an unprimeable number, because it can be changed into a prime (52073537) 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 3 ways as a sum of consecutive naturals, for example, 897791 + ... + 897848.

It is an arithmetic number, because the mean of its divisors is an integer number (13467300).

Almost surely, 2^52073531 is an apocalyptic number.

52073531 is a deficient number, since it is larger than the sum of its proper divisors (1795669).

52073531 is a wasteful number, since it uses less digits than its factorization.

52073531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795668.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 52073531 is about 7216.1992073390. The cubic root of 52073531 is about 373.4269656908.

The spelling of 52073531 in words is "fifty-two million, seventy-three thousand, five hundred thirty-one".