531245002 has 12 divisors (see below), whose sum is σ = 846500310. Its totient is φ = 249997376.

The previous prime is 531244991. The next prime is 531245003. The reversal of 531245002 is 200542135.

It can be written as a sum of positive squares in 3 ways, for example, as 523906321 + 7338681 = 22889^2 + 2709^2 .

It is not an unprimeable number, because it can be changed into a prime (531245003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458977 + ... + 460132.

Almost surely, 2^531245002 is an apocalyptic number.

531245002 is a deficient number, since it is larger than the sum of its proper divisors (315255308).

531245002 is a wasteful number, since it uses less digits than its factorization.

531245002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919145 (or 919128 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 531245002 is about 23048.7527211344. The cubic root of 531245002 is about 809.9004104558.

Adding to 531245002 its reverse (200542135), we get a palindrome (731787137).

The spelling of 531245002 in words is "five hundred thirty-one million, two hundred forty-five thousand, two".