52434013531 has 4 divisors (see below), whose sum is σ = 52442461864. Its totient is φ = 52425565200.

The previous prime is 52434013507. The next prime is 52434013559. The reversal of 52434013531 is 13531043425.

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 52434013531 - 2¹⁹ = 52433489243 is a prime.

It is a super-2 number, since 2×52434013531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52434013493 and 52434013502.

It is not an unprimeable number, because it can be changed into a prime (52434013501) 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, 4214850 + ... + 4227271.

It is an arithmetic number, because the mean of its divisors is an integer number (13110615466).

Almost surely, 2^52434013531 is an apocalyptic number.

52434013531 is a deficient number, since it is larger than the sum of its proper divisors (8448333).

52434013531 is an equidigital number, since it uses as much as digits as its factorization.

52434013531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448332.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 52434013531 its reverse (13531043425), we get a palindrome (65965056956).

The spelling of 52434013531 in words is "fifty-two billion, four hundred thirty-four million, thirteen thousand, five hundred thirty-one".