531056326 has 16 divisors (see below), whose sum is σ = 803325600. Its totient is φ = 263289280.

The previous prime is 531056299. The next prime is 531056329. The reversal of 531056326 is 623650135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531056329) 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, 152250 + ... + 155698.

It is an arithmetic number, because the mean of its divisors is an integer number (50207850).

Almost surely, 2^531056326 is an apocalyptic number.

531056326 is a deficient number, since it is larger than the sum of its proper divisors (272269274).

531056326 is a wasteful number, since it uses less digits than its factorization.

531056326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 531056326 is about 23044.6593812970. The cubic root of 531056326 is about 809.8045181881.

The spelling of 531056326 in words is "five hundred thirty-one million, fifty-six thousand, three hundred twenty-six".