33749801 has 2 divisors, whose sum is σ = 33749802. Its totient is φ = 33749800.

The previous prime is 33749789. The next prime is 33749831. The reversal of 33749801 is 10894733.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30791401 + 2958400 = 5549^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 33749801 - 2²² = 29555497 is a prime.

It is a super-2 number, since 2×33749801² = 2278098135079202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (33749831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16874900 + 16874901.

It is an arithmetic number, because the mean of its divisors is an integer number (16874901).

Almost surely, 2^33749801 is an apocalyptic number.

It is an amenable number.

33749801 is a deficient number, since it is larger than the sum of its proper divisors (1).

33749801 is an equidigital number, since it uses as much as digits as its factorization.

33749801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 33749801 is about 5809.4578920929. The cubic root of 33749801 is about 323.1645683443.

The spelling of 33749801 in words is "thirty-three million, seven hundred forty-nine thousand, eight hundred one".