531296550625 has 10 divisors (see below), whose sum is σ = 663908170442. Its totient is φ = 425037240000.

The previous prime is 531296550623. The next prime is 531296550643. The reversal of 531296550625 is 526055692135.

It can be written as a sum of positive squares in 5 ways, for example, as 397554209361 + 133742341264 = 630519^2 + 365708^2 .

It is not a de Polignac number, because 531296550625 - 2¹ = 531296550623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531296550623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 425036616 + ... + 425037865.

Almost surely, 2^531296550625 is an apocalyptic number.

It is an amenable number.

531296550625 is a deficient number, since it is larger than the sum of its proper divisors (132611619817).

531296550625 is an frugal number, since it uses more digits than its factorization.

531296550625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850074501 (or 850074486 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 49.

The spelling of 531296550625 in words is "five hundred thirty-one billion, two hundred ninety-six million, five hundred fifty thousand, six hundred twenty-five".