52015431 has 16 divisors (see below), whose sum is σ = 75116160. Its totient is φ = 31826400.

The previous prime is 52015409. The next prime is 52015433. The reversal of 52015431 is 13451025.

52015431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52015431 - 2⁵ = 52015399 is a prime.

It is a super-2 number, since 2×52015431² = 5411210124231522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52015398 and 52015407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52015433) 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 15 ways as a sum of consecutive naturals, for example, 3256 + ... + 10706.

It is an arithmetic number, because the mean of its divisors is an integer number (4694760).

Almost surely, 2^52015431 is an apocalyptic number.

52015431 is a deficient number, since it is larger than the sum of its proper divisors (23100729).

52015431 is a wasteful number, since it uses less digits than its factorization.

52015431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7646.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 52015431 is about 7212.1724189040. The cubic root of 52015431 is about 373.2880327864.

Adding to 52015431 its reverse (13451025), we get a palindrome (65466456).

It can be divided in two parts, 520 and 15431, that added together give a palindrome (15951).

The spelling of 52015431 in words is "fifty-two million, fifteen thousand, four hundred thirty-one".