67235251 has 2 divisors, whose sum is σ = 67235252. Its totient is φ = 67235250.

The previous prime is 67235219. The next prime is 67235257. The reversal of 67235251 is 15253276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67235251 - 2⁵ = 67235219 is a prime.

It is not a weakly prime, because it can be changed into another prime (67235257) 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, 33617625 + 33617626.

It is an arithmetic number, because the mean of its divisors is an integer number (33617626).

Almost surely, 2^67235251 is an apocalyptic number.

67235251 is a deficient number, since it is larger than the sum of its proper divisors (1).

67235251 is an equidigital number, since it uses as much as digits as its factorization.

67235251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 67235251 is about 8199.7104217161. The cubic root of 67235251 is about 406.6296195610.

The spelling of 67235251 in words is "sixty-seven million, two hundred thirty-five thousand, two hundred fifty-one".