33054521 has 2 divisors, whose sum is σ = 33054522. Its totient is φ = 33054520.

The previous prime is 33054503. The next prime is 33054533. The reversal of 33054521 is 12545033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30030400 + 3024121 = 5480^2 + 1739^2 .

It is a cyclic number.

It is not a de Polignac number, because 33054521 - 2¹⁰ = 33053497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33054221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16527260 + 16527261.

It is an arithmetic number, because the mean of its divisors is an integer number (16527261).

Almost surely, 2^33054521 is an apocalyptic number.

It is an amenable number.

33054521 is a deficient number, since it is larger than the sum of its proper divisors (1).

33054521 is an equidigital number, since it uses as much as digits as its factorization.

33054521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 33054521 is about 5749.3061320476. The cubic root of 33054521 is about 320.9299802311.

Adding to 33054521 its reverse (12545033), we get a palindrome (45599554).

The spelling of 33054521 in words is "thirty-three million, fifty-four thousand, five hundred twenty-one".