32725321 has 2 divisors, whose sum is σ = 32725322. Its totient is φ = 32725320.

The previous prime is 32725307. The next prime is 32725333. The reversal of 32725321 is 12352723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31236921 + 1488400 = 5589^2 + 1220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32725321 is a prime.

It is not a weakly prime, because it can be changed into another prime (32725621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16362660 + 16362661.

It is an arithmetic number, because the mean of its divisors is an integer number (16362661).

Almost surely, 2^32725321 is an apocalyptic number.

It is an amenable number.

32725321 is a deficient number, since it is larger than the sum of its proper divisors (1).

32725321 is an equidigital number, since it uses as much as digits as its factorization.

32725321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 25.

The square root of 32725321 is about 5720.6049505275. The cubic root of 32725321 is about 319.8610106034.

The spelling of 32725321 in words is "thirty-two million, seven hundred twenty-five thousand, three hundred twenty-one".