532661811 has 8 divisors (see below), whose sum is σ = 774780864. Its totient is φ = 322825320.

The previous prime is 532661777. The next prime is 532661813. The reversal of 532661811 is 118166235.

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

It is not a de Polignac number, because 532661811 - 2¹⁵ = 532629043 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 16141267 = 532661811 / (5 + 3 + 2 + 6 + 6 + 1 + 8 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (532661813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8070601 + ... + 8070666.

It is an arithmetic number, because the mean of its divisors is an integer number (96847608).

Almost surely, 2^532661811 is an apocalyptic number.

532661811 is a deficient number, since it is larger than the sum of its proper divisors (242119053).

532661811 is a wasteful number, since it uses less digits than its factorization.

532661811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141281.

The product of its digits is 8640, while the sum is 33.

The square root of 532661811 is about 23079.4673032113. The cubic root of 532661811 is about 810.6197619200.

The spelling of 532661811 in words is "five hundred thirty-two million, six hundred sixty-one thousand, eight hundred eleven".