531423023225 has 6 divisors (see below), whose sum is σ = 658964548830. Its totient is φ = 425138418560.

The previous prime is 531423023203. The next prime is 531423023227. The reversal of 531423023225 is 522320324135.

It can be written as a sum of positive squares in 3 ways, for example, as 10820368441 + 520602654784 = 104021^2 + 721528^2 .

It is not a de Polignac number, because 531423023225 - 2⁸ = 531423022969 is a prime.

It is a super-3 number, since 3×531423023225³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 531423023191 and 531423023200.

It is not an unprimeable number, because it can be changed into a prime (531423023227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10628460440 + ... + 10628460489.

It is an arithmetic number, because the mean of its divisors is an integer number (109827424805).

Almost surely, 2^531423023225 is an apocalyptic number.

It is an amenable number.

531423023225 is a deficient number, since it is larger than the sum of its proper divisors (127541525605).

531423023225 is a wasteful number, since it uses less digits than its factorization.

531423023225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21256920939 (or 21256920934 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 531423023225 in words is "five hundred thirty-one billion, four hundred twenty-three million, twenty-three thousand, two hundred twenty-five".