531641054 has 16 divisors (see below), whose sum is σ = 911681376. Its totient is φ = 227772000.

The previous prime is 531641023. The next prime is 531641059. The reversal of 531641054 is 450146135.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531641059) 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 7 ways as a sum of consecutive naturals, for example, 76484 + ... + 83144.

It is an arithmetic number, because the mean of its divisors is an integer number (56980086).

Almost surely, 2^531641054 is an apocalyptic number.

531641054 is a deficient number, since it is larger than the sum of its proper divisors (380040322).

531641054 is a wasteful number, since it uses less digits than its factorization.

531641054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12371.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 531641054 is about 23057.3427350161. The cubic root of 531641054 is about 810.1016252109.

Adding to 531641054 its reverse (450146135), we get a palindrome (981787189).

The spelling of 531641054 in words is "five hundred thirty-one million, six hundred forty-one thousand, fifty-four".