32725993 has 2 divisors, whose sum is σ = 32725994. Its totient is φ = 32725992.

The previous prime is 32725991. The next prime is 32726009. The reversal of 32725993 is 39952723.

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., 21650409 + 11075584 = 4653^2 + 3328^2 .

It is a cyclic number.

It is not a de Polignac number, because 32725993 - 2¹ = 32725991 is a prime.

Together with 32725991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32725991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16362996 + 16362997.

It is an arithmetic number, because the mean of its divisors is an integer number (16362997).

Almost surely, 2^32725993 is an apocalyptic number.

It is an amenable number.

32725993 is a deficient number, since it is larger than the sum of its proper divisors (1).

32725993 is an equidigital number, since it uses as much as digits as its factorization.

32725993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 40.

The square root of 32725993 is about 5720.6636852729. The cubic root of 32725993 is about 319.8631999899.

The spelling of 32725993 in words is "thirty-two million, seven hundred twenty-five thousand, nine hundred ninety-three".