33245131 has 2 divisors, whose sum is σ = 33245132. Its totient is φ = 33245130.

The previous prime is 33245087. The next prime is 33245141. The reversal of 33245131 is 13154233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33245131 - 2¹¹ = 33243083 is a prime.

It is a super-2 number, since 2×33245131² = 2210477470414322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33245141) 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, 16622565 + 16622566.

It is an arithmetic number, because the mean of its divisors is an integer number (16622566).

Almost surely, 2^33245131 is an apocalyptic number.

33245131 is a deficient number, since it is larger than the sum of its proper divisors (1).

33245131 is an equidigital number, since it uses as much as digits as its factorization.

33245131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 33245131 is about 5765.8590860339. The cubic root of 33245131 is about 321.5456827390.

Adding to 33245131 its reverse (13154233), we get a palindrome (46399364).

The spelling of 33245131 in words is "thirty-three million, two hundred forty-five thousand, one hundred thirty-one".