531245454002 has 24 divisors (see below), whose sum is σ = 814355888940. Its totient is φ = 259916158880.

The previous prime is 531245453987. The next prime is 531245454067. The reversal of 531245454002 is 200454542135.

It can be written as a sum of positive squares in 2 ways, for example, as 530233005241 + 1012448761 = 728171^2 + 31819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27686852 + ... + 27706032.

Almost surely, 2^531245454002 is an apocalyptic number.

531245454002 is a deficient number, since it is larger than the sum of its proper divisors (283110434938).

531245454002 is a wasteful number, since it uses less digits than its factorization.

531245454002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25546 (or 25499 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 531245454002 its reverse (200454542135), we get a palindrome (731699996137).

The spelling of 531245454002 in words is "five hundred thirty-one billion, two hundred forty-five million, four hundred fifty-four thousand, two".