32661533 has 2 divisors, whose sum is σ = 32661534. Its totient is φ = 32661532.

The previous prime is 32661521. The next prime is 32661547. The reversal of 32661533 is 33516623.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29138404 + 3523129 = 5398^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 32661533 - 2¹² = 32657437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32661496 and 32661505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32601533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16330766 + 16330767.

It is an arithmetic number, because the mean of its divisors is an integer number (16330767).

Almost surely, 2^32661533 is an apocalyptic number.

It is an amenable number.

32661533 is a deficient number, since it is larger than the sum of its proper divisors (1).

32661533 is an equidigital number, since it uses as much as digits as its factorization.

32661533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

The square root of 32661533 is about 5715.0269465681. The cubic root of 32661533 is about 319.6530517043.

The spelling of 32661533 in words is "thirty-two million, six hundred sixty-one thousand, five hundred thirty-three".