33141257 has 2 divisors, whose sum is σ = 33141258. Its totient is φ = 33141256.

The previous prime is 33141253. The next prime is 33141289. The reversal of 33141257 is 75214133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21335161 + 11806096 = 4619^2 + 3436^2 .

It is a cyclic number.

It is not a de Polignac number, because 33141257 - 2² = 33141253 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33141253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16570628 + 16570629.

It is an arithmetic number, because the mean of its divisors is an integer number (16570629).

Almost surely, 2^33141257 is an apocalyptic number.

It is an amenable number.

33141257 is a deficient number, since it is larger than the sum of its proper divisors (1).

33141257 is an equidigital number, since it uses as much as digits as its factorization.

33141257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 33141257 is about 5756.8443612799. The cubic root of 33141257 is about 321.2104448464.

The spelling of 33141257 in words is "thirty-three million, one hundred forty-one thousand, two hundred fifty-seven".