33400151 has 2 divisors, whose sum is σ = 33400152. Its totient is φ = 33400150.

The previous prime is 33400139. The next prime is 33400177. The reversal of 33400151 is 15100433.

It is a weak prime.

It is an emirp because it is prime and its reverse (15100433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33400151 - 2¹⁰ = 33399127 is a prime.

It is a super-2 number, since 2×33400151² = 2231140173645602, 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 (33400351) 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, 16700075 + 16700076.

It is an arithmetic number, because the mean of its divisors is an integer number (16700076).

Almost surely, 2^33400151 is an apocalyptic number.

33400151 is a deficient number, since it is larger than the sum of its proper divisors (1).

33400151 is an equidigital number, since it uses as much as digits as its factorization.

33400151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 33400151 is about 5779.2863746314. The cubic root of 33400151 is about 322.0446905038.

Adding to 33400151 its reverse (15100433), we get a palindrome (48500584).

The spelling of 33400151 in words is "thirty-three million, four hundred thousand, one hundred fifty-one".