32452921 has 2 divisors, whose sum is σ = 32452922. Its totient is φ = 32452920.

The previous prime is 32452919. The next prime is 32452997. The reversal of 32452921 is 12925423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28472896 + 3980025 = 5336^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 32452921 - 2¹ = 32452919 is a prime.

Together with 32452919, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 32452921.

It is not a weakly prime, because it can be changed into another prime (32452621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16226460 + 16226461.

It is an arithmetic number, because the mean of its divisors is an integer number (16226461).

Almost surely, 2^32452921 is an apocalyptic number.

It is an amenable number.

32452921 is a deficient number, since it is larger than the sum of its proper divisors (1).

32452921 is an equidigital number, since it uses as much as digits as its factorization.

32452921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 32452921 is about 5696.7465276243. The cubic root of 32452921 is about 318.9710471851.

The spelling of 32452921 in words is "thirty-two million, four hundred fifty-two thousand, nine hundred twenty-one".