32254721 has 2 divisors, whose sum is σ = 32254722. Its totient is φ = 32254720.

The previous prime is 32254697. The next prime is 32254727. The reversal of 32254721 is 12745223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 9834496 = 4735^2 + 3136^2 .

It is a cyclic number.

It is not a de Polignac number, because 32254721 - 2¹⁸ = 31992577 is a prime.

It is not a weakly prime, because it can be changed into another prime (32254727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16127360 + 16127361.

It is an arithmetic number, because the mean of its divisors is an integer number (16127361).

Almost surely, 2^32254721 is an apocalyptic number.

It is an amenable number.

32254721 is a deficient number, since it is larger than the sum of its proper divisors (1).

32254721 is an equidigital number, since it uses as much as digits as its factorization.

32254721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 32254721 is about 5679.3239914624. The cubic root of 32254721 is about 318.3203692231.

Adding to 32254721 its reverse (12745223), we get a palindrome (44999944).

The spelling of 32254721 in words is "thirty-two million, two hundred fifty-four thousand, seven hundred twenty-one".