67939253 has 2 divisors, whose sum is σ = 67939254. Its totient is φ = 67939252.

The previous prime is 67939243. The next prime is 67939301. The reversal of 67939253 is 35293976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38962564 + 28976689 = 6242^2 + 5383^2 .

It is a cyclic number.

It is not a de Polignac number, because 67939253 - 2⁶ = 67939189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67939213) 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, 33969626 + 33969627.

It is an arithmetic number, because the mean of its divisors is an integer number (33969627).

Almost surely, 2^67939253 is an apocalyptic number.

It is an amenable number.

67939253 is a deficient number, since it is larger than the sum of its proper divisors (1).

67939253 is an equidigital number, since it uses as much as digits as its factorization.

67939253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 44.

The square root of 67939253 is about 8242.5271003497. The cubic root of 67939253 is about 408.0439306951.

The spelling of 67939253 in words is "sixty-seven million, nine hundred thirty-nine thousand, two hundred fifty-three".