33154091 has 2 divisors, whose sum is σ = 33154092. Its totient is φ = 33154090.

The previous prime is 33154067. The next prime is 33154111. The reversal of 33154091 is 19045133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33154091 - 2¹⁴ = 33137707 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33154091.

It is not a weakly prime, because it can be changed into another prime (33154021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16577045 + 16577046.

It is an arithmetic number, because the mean of its divisors is an integer number (16577046).

Almost surely, 2^33154091 is an apocalyptic number.

33154091 is a deficient number, since it is larger than the sum of its proper divisors (1).

33154091 is an equidigital number, since it uses as much as digits as its factorization.

33154091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 33154091 is about 5757.9589265642. The cubic root of 33154091 is about 321.2519025661.

The spelling of 33154091 in words is "thirty-three million, one hundred fifty-four thousand, ninety-one".