33750149 has 2 divisors, whose sum is σ = 33750150. Its totient is φ = 33750148.

The previous prime is 33750127. The next prime is 33750169. The reversal of 33750149 is 94105733.

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., 33721249 + 28900 = 5807^2 + 170^2 .

It is an emirp because it is prime and its reverse (94105733) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33750149 - 2⁸ = 33749893 is a prime.

It is a super-2 number, since 2×33750149² = 2278145115044402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33750109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16875074 + 16875075.

It is an arithmetic number, because the mean of its divisors is an integer number (16875075).

Almost surely, 2^33750149 is an apocalyptic number.

It is an amenable number.

33750149 is a deficient number, since it is larger than the sum of its proper divisors (1).

33750149 is an equidigital number, since it uses as much as digits as its factorization.

33750149 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 32.

The square root of 33750149 is about 5809.4878431752. The cubic root of 33750149 is about 323.1656790756.

The spelling of 33750149 in words is "thirty-three million, seven hundred fifty thousand, one hundred forty-nine".