531325134335053 has 4 divisors (see below), whose sum is σ = 537726641977728. Its totient is φ = 524923626692380.

The previous prime is 531325134335041. The next prime is 531325134335167. The reversal of 531325134335053 is 350533431523135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531325134335053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531325134334994 and 531325134335012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531325134335003) 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, 3200753821213 + ... + 3200753821378.

It is an arithmetic number, because the mean of its divisors is an integer number (134431660494432).

Almost surely, 2^{531325134335053} is an apocalyptic number.

It is an amenable number.

531325134335053 is a deficient number, since it is larger than the sum of its proper divisors (6401507642675).

531325134335053 is an equidigital number, since it uses as much as digits as its factorization.

531325134335053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401507642674.

The product of its (nonzero) digits is 3645000, while the sum is 46.

Adding to 531325134335053 its reverse (350533431523135), we get a palindrome (881858565858188).

The spelling of 531325134335053 in words is "five hundred thirty-one trillion, three hundred twenty-five billion, one hundred thirty-four million, three hundred thirty-five thousand, fifty-three".