32505223 has 2 divisors, whose sum is σ = 32505224. Its totient is φ = 32505222.

The previous prime is 32505211. The next prime is 32505281. The reversal of 32505223 is 32250523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32505223 - 2¹⁷ = 32374151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32505194 and 32505203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32505293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16252611 + 16252612.

It is an arithmetic number, because the mean of its divisors is an integer number (16252612).

Almost surely, 2^32505223 is an apocalyptic number.

32505223 is a deficient number, since it is larger than the sum of its proper divisors (1).

32505223 is an equidigital number, since it uses as much as digits as its factorization.

32505223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 32505223 is about 5701.3351944961. The cubic root of 32505223 is about 319.1423093196.

Adding to 32505223 its reverse (32250523), we get a palindrome (64755746).

The spelling of 32505223 in words is "thirty-two million, five hundred five thousand, two hundred twenty-three".