33540079 has 2 divisors, whose sum is σ = 33540080. Its totient is φ = 33540078.

The previous prime is 33540071. The next prime is 33540083. The reversal of 33540079 is 97004533.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33540079 - 2³ = 33540071 is a prime.

It is a super-2 number, since 2×33540079² = 2249873798652482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33540079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33540071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16770039 + 16770040.

It is an arithmetic number, because the mean of its divisors is an integer number (16770040).

Almost surely, 2^33540079 is an apocalyptic number.

33540079 is a deficient number, since it is larger than the sum of its proper divisors (1).

33540079 is an equidigital number, since it uses as much as digits as its factorization.

33540079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 33540079 is about 5791.3797147139. The cubic root of 33540079 is about 322.4937931221.

The spelling of 33540079 in words is "thirty-three million, five hundred forty thousand, seventy-nine".