33242549 has 2 divisors, whose sum is σ = 33242550. Its totient is φ = 33242548.

The previous prime is 33242507. The next prime is 33242551. The reversal of 33242549 is 94524233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17098225 + 16144324 = 4135^2 + 4018^2 .

It is a cyclic number.

It is not a de Polignac number, because 33242549 - 2¹² = 33238453 is a prime.

It is a super-2 number, since 2×33242549² = 2210134128034802, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 33242551, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33242449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621274 + 16621275.

It is an arithmetic number, because the mean of its divisors is an integer number (16621275).

Almost surely, 2^33242549 is an apocalyptic number.

It is an amenable number.

33242549 is a deficient number, since it is larger than the sum of its proper divisors (1).

33242549 is an equidigital number, since it uses as much as digits as its factorization.

33242549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 33242549 is about 5765.6351774978. The cubic root of 33242549 is about 321.5373581872.

The spelling of 33242549 in words is "thirty-three million, two hundred forty-two thousand, five hundred forty-nine".