67252277 has 2 divisors, whose sum is σ = 67252278. Its totient is φ = 67252276.

The previous prime is 67252223. The next prime is 67252291. The reversal of 67252277 is 77225276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56761156 + 10491121 = 7534^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 67252277 - 2⁸ = 67252021 is a 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 67252277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67251277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33626138 + 33626139.

It is an arithmetic number, because the mean of its divisors is an integer number (33626139).

Almost surely, 2^67252277 is an apocalyptic number.

It is an amenable number.

67252277 is a deficient number, since it is larger than the sum of its proper divisors (1).

67252277 is an equidigital number, since it uses as much as digits as its factorization.

67252277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 38.

The square root of 67252277 is about 8200.7485633935. The cubic root of 67252277 is about 406.6639403054.

The spelling of 67252277 in words is "sixty-seven million, two hundred fifty-two thousand, two hundred seventy-seven".