531568741 has 8 divisors (see below), whose sum is σ = 581726304. Its totient is φ = 481716720.

The previous prime is 531568729. The next prime is 531568783. The reversal of 531568741 is 147865135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531568741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531568694 and 531568703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531568721) 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, 72735 + ... + 79708.

It is an arithmetic number, because the mean of its divisors is an integer number (72715788).

Almost surely, 2^531568741 is an apocalyptic number.

It is an amenable number.

531568741 is a deficient number, since it is larger than the sum of its proper divisors (50157563).

531568741 is a wasteful number, since it uses less digits than its factorization.

531568741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152771.

The product of its digits is 100800, while the sum is 40.

The square root of 531568741 is about 23055.7745695086. The cubic root of 531568741 is about 810.0648939524.

The spelling of 531568741 in words is "five hundred thirty-one million, five hundred sixty-eight thousand, seven hundred forty-one".