531325450 has 12 divisors (see below), whose sum is σ = 988265430. Its totient is φ = 212530160.

The previous prime is 531325411. The next prime is 531325453. The reversal of 531325450 is 54523135.

It can be written as a sum of positive squares in 3 ways, for example, as 506115009 + 25210441 = 22497^2 + 5021^2 .

It is not an unprimeable number, because it can be changed into a prime (531325453) 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, 5313205 + ... + 5313304.

Almost surely, 2^531325450 is an apocalyptic number.

531325450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531325450 is a deficient number, since it is larger than the sum of its proper divisors (456939980).

531325450 is a wasteful number, since it uses less digits than its factorization.

531325450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626521 (or 10626516 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 531325450 is about 23050.4978254267. The cubic root of 531325450 is about 809.9412902629.

Adding to 531325450 its reverse (54523135), we get a palindrome (585848585).

The spelling of 531325450 in words is "five hundred thirty-one million, three hundred twenty-five thousand, four hundred fifty".