531361306 has 16 divisors (see below), whose sum is σ = 923385024. Its totient is φ = 224606304.

The previous prime is 531361279. The next prime is 531361307. The reversal of 531361306 is 603163135.

It is not an unprimeable number, because it can be changed into a prime (531361307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258940 + ... + 260983.

It is an arithmetic number, because the mean of its divisors is an integer number (57711564).

Almost surely, 2^531361306 is an apocalyptic number.

531361306 is a deficient number, since it is larger than the sum of its proper divisors (392023718).

531361306 is a wasteful number, since it uses less digits than its factorization.

531361306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520005.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 531361306 is about 23051.2755829260. The cubic root of 531361306 is about 809.9595092293.

The spelling of 531361306 in words is "five hundred thirty-one million, three hundred sixty-one thousand, three hundred six".