33540539 has 2 divisors, whose sum is σ = 33540540. Its totient is φ = 33540538.

The previous prime is 33540517. The next prime is 33540553. The reversal of 33540539 is 93504533.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33540539 - 2¹⁶ = 33475003 is a prime.

It is a super-2 number, since 2×33540539² = 2249935512821042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33540139) 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, 16770269 + 16770270.

It is an arithmetic number, because the mean of its divisors is an integer number (16770270).

Almost surely, 2^33540539 is an apocalyptic number.

33540539 is a deficient number, since it is larger than the sum of its proper divisors (1).

33540539 is an equidigital number, since it uses as much as digits as its factorization.

33540539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 33540539 is about 5791.4194287756. The cubic root of 33540539 is about 322.4952674425.

The spelling of 33540539 in words is "thirty-three million, five hundred forty thousand, five hundred thirty-nine".