531425040531 has 16 divisors (see below), whose sum is σ = 883407859968. Its totient is φ = 276064956000.

The previous prime is 531425040511. The next prime is 531425040593. The reversal of 531425040531 is 135040524135.

It is not a de Polignac number, because 531425040531 - 2⁵ = 531425040499 is a prime.

It is a super-2 number, since 2×531425040531² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 531425040492 and 531425040501.

It is not an unprimeable number, because it can be changed into a prime (531425040511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150270420 + ... + 1150270881.

It is an arithmetic number, because the mean of its divisors is an integer number (55212991248).

Almost surely, 2^531425040531 is an apocalyptic number.

531425040531 is a deficient number, since it is larger than the sum of its proper divisors (351982819437).

531425040531 is a wasteful number, since it uses less digits than its factorization.

531425040531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300541322.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 531425040531 its reverse (135040524135), we get a palindrome (666465564666).

The spelling of 531425040531 in words is "five hundred thirty-one billion, four hundred twenty-five million, forty thousand, five hundred thirty-one".