33525223 has 2 divisors, whose sum is σ = 33525224. Its totient is φ = 33525222.

The previous prime is 33525209. The next prime is 33525227. The reversal of 33525223 is 32252533.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33525223 - 2¹³ = 33517031 is a prime.

It is a super-2 number, since 2×33525223² = 2247881154399458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33525227) 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, 16762611 + 16762612.

It is an arithmetic number, because the mean of its divisors is an integer number (16762612).

Almost surely, 2^33525223 is an apocalyptic number.

33525223 is a deficient number, since it is larger than the sum of its proper divisors (1).

33525223 is an equidigital number, since it uses as much as digits as its factorization.

33525223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 25.

The square root of 33525223 is about 5790.0969767354. The cubic root of 33525223 is about 322.4461717344.

Adding to 33525223 its reverse (32252533), we get a palindrome (65777756).

The spelling of 33525223 in words is "thirty-three million, five hundred twenty-five thousand, two hundred twenty-three".