33248381 has 2 divisors, whose sum is σ = 33248382. Its totient is φ = 33248380.

The previous prime is 33248339. The next prime is 33248419. The reversal of 33248381 is 18384233.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19624900 + 13623481 = 4430^2 + 3691^2 .

It is a cyclic number.

It is not a de Polignac number, because 33248381 - 2¹⁴ = 33231997 is a prime.

It is a super-2 number, since 2×33248381² = 2210909678242322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33248321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16624190 + 16624191.

It is an arithmetic number, because the mean of its divisors is an integer number (16624191).

Almost surely, 2^33248381 is an apocalyptic number.

It is an amenable number.

33248381 is a deficient number, since it is larger than the sum of its proper divisors (1).

33248381 is an equidigital number, since it uses as much as digits as its factorization.

33248381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 33248381 is about 5766.1409105224. The cubic root of 33248381 is about 321.5561603577.

The spelling of 33248381 in words is "thirty-three million, two hundred forty-eight thousand, three hundred eighty-one".