572138543 has 2 divisors, whose sum is σ = 572138544. Its totient is φ = 572138542.

The previous prime is 572138537. The next prime is 572138563. The reversal of 572138543 is 345831275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 572138543 - 2¹² = 572134447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 572138497 and 572138506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572138513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286069271 + 286069272.

It is an arithmetic number, because the mean of its divisors is an integer number (286069272).

Almost surely, 2^572138543 is an apocalyptic number.

572138543 is a deficient number, since it is larger than the sum of its proper divisors (1).

572138543 is an equidigital number, since it uses as much as digits as its factorization.

572138543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 572138543 is about 23919.4176977618. The cubic root of 572138543 is about 830.1700638603.

It can be divided in two parts, 57213 and 8543, that added together give a palindrome (65756).

The spelling of 572138543 in words is "five hundred seventy-two million, one hundred thirty-eight thousand, five hundred forty-three".