32425021 has 2 divisors, whose sum is σ = 32425022. Its totient is φ = 32425020.

The previous prime is 32424983. The next prime is 32425027. The reversal of 32425021 is 12052423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31236921 + 1188100 = 5589^2 + 1090^2 .

It is an emirp because it is prime and its reverse (12052423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32425021 - 2⁷ = 32424893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32425021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32425027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16212510 + 16212511.

It is an arithmetic number, because the mean of its divisors is an integer number (16212511).

Almost surely, 2^32425021 is an apocalyptic number.

It is an amenable number.

32425021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32425021 is an equidigital number, since it uses as much as digits as its factorization.

32425021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 32425021 is about 5694.2972349536. The cubic root of 32425021 is about 318.8796137751.

Adding to 32425021 its reverse (12052423), we get a palindrome (44477444).

The spelling of 32425021 in words is "thirty-two million, four hundred twenty-five thousand, twenty-one".