532885721 has 2 divisors, whose sum is σ = 532885722. Its totient is φ = 532885720.

The previous prime is 532885711. The next prime is 532885741. The reversal of 532885721 is 127588235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516925696 + 15960025 = 22736^2 + 3995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532885721 is a prime.

It is not a weakly prime, because it can be changed into another prime (532885711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266442860 + 266442861.

It is an arithmetic number, because the mean of its divisors is an integer number (266442861).

Almost surely, 2^532885721 is an apocalyptic number.

It is an amenable number.

532885721 is a deficient number, since it is larger than the sum of its proper divisors (1).

532885721 is an equidigital number, since it uses as much as digits as its factorization.

532885721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 41.

The square root of 532885721 is about 23084.3176420703. The cubic root of 532885721 is about 810.7333301920.

The spelling of 532885721 in words is "five hundred thirty-two million, eight hundred eighty-five thousand, seven hundred twenty-one".