532721611 has 2 divisors, whose sum is σ = 532721612. Its totient is φ = 532721610.

The previous prime is 532721593. The next prime is 532721669. The reversal of 532721611 is 116127235.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 532721611 - 2²¹ = 530624459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 532721611.

It is not a weakly prime, because it can be changed into another prime (532721681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266360805 + 266360806.

It is an arithmetic number, because the mean of its divisors is an integer number (266360806).

Almost surely, 2^532721611 is an apocalyptic number.

532721611 is a deficient number, since it is larger than the sum of its proper divisors (1).

532721611 is an equidigital number, since it uses as much as digits as its factorization.

532721611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 532721611 is about 23080.7627906878. The cubic root of 532721611 is about 810.6500958936.

Adding to 532721611 its reverse (116127235), we get a palindrome (648848846).

The spelling of 532721611 in words is "five hundred thirty-two million, seven hundred twenty-one thousand, six hundred eleven".