33124025021 has 2 divisors, whose sum is σ = 33124025022. Its totient is φ = 33124025020.

The previous prime is 33124024979. The next prime is 33124025063. The reversal of 33124025021 is 12052042133.

It is a balanced prime because it is at equal distance from previous prime (33124024979) and next prime (33124025063).

It can be written as a sum of positive squares in only one way, i.e., 32477085796 + 646939225 = 180214^2 + 25435^2 .

It is a cyclic number.

It is not a de Polignac number, because 33124025021 - 2⁶ = 33124024957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33124025821) 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, 16562012510 + 16562012511.

It is an arithmetic number, because the mean of its divisors is an integer number (16562012511).

Almost surely, 2^33124025021 is an apocalyptic number.

It is an amenable number.

33124025021 is a deficient number, since it is larger than the sum of its proper divisors (1).

33124025021 is an equidigital number, since it uses as much as digits as its factorization.

33124025021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 33124025021 its reverse (12052042133), we get a palindrome (45176067154).

The spelling of 33124025021 in words is "thirty-three billion, one hundred twenty-four million, twenty-five thousand, twenty-one".