33253379 has 2 divisors, whose sum is σ = 33253380. Its totient is φ = 33253378.

The previous prime is 33253351. The next prime is 33253397. The reversal of 33253379 is 97335233.

Together with next prime (33253397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33253379 is a prime.

It is a super-2 number, since 2×33253379² = 2211574429835282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33253079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16626689 + 16626690.

It is an arithmetic number, because the mean of its divisors is an integer number (16626690).

Almost surely, 2^33253379 is an apocalyptic number.

33253379 is a deficient number, since it is larger than the sum of its proper divisors (1).

33253379 is an equidigital number, since it uses as much as digits as its factorization.

33253379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 35.

The square root of 33253379 is about 5766.5742863506. The cubic root of 33253379 is about 321.5722719910.

The spelling of 33253379 in words is "thirty-three million, two hundred fifty-three thousand, three hundred seventy-nine".