52431523 has 4 divisors (see below), whose sum is σ = 52496208. Its totient is φ = 52366840.

The previous prime is 52431521. The next prime is 52431527. The reversal of 52431523 is 32513425.

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

It is a cyclic number.

It is not a de Polignac number, because 52431523 - 2¹ = 52431521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52431521) 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, 31111 + ... + 32752.

It is an arithmetic number, because the mean of its divisors is an integer number (13124052).

Almost surely, 2^52431523 is an apocalyptic number.

52431523 is a deficient number, since it is larger than the sum of its proper divisors (64685).

52431523 is an equidigital number, since it uses as much as digits as its factorization.

52431523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64684.

The product of its digits is 3600, while the sum is 25.

The square root of 52431523 is about 7240.9614693078. The cubic root of 52431523 is about 374.2807499529.

Adding to 52431523 its reverse (32513425), we get a palindrome (84944948).

The spelling of 52431523 in words is "fifty-two million, four hundred thirty-one thousand, five hundred twenty-three".