67252993 has 2 divisors, whose sum is σ = 67252994. Its totient is φ = 67252992.

The previous prime is 67252987. The next prime is 67253023. The reversal of 67252993 is 39925276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38340864 + 28912129 = 6192^2 + 5377^2 .

It is a cyclic number.

It is not a de Polignac number, because 67252993 - 2²¹ = 65155841 is a prime.

It is not a weakly prime, because it can be changed into another prime (67252963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33626496 + 33626497.

It is an arithmetic number, because the mean of its divisors is an integer number (33626497).

Almost surely, 2^67252993 is an apocalyptic number.

It is an amenable number.

67252993 is a deficient number, since it is larger than the sum of its proper divisors (1).

67252993 is an equidigital number, since it uses as much as digits as its factorization.

67252993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 43.

The square root of 67252993 is about 8200.7922178287. The cubic root of 67252993 is about 406.6653834801.

The spelling of 67252993 in words is "sixty-seven million, two hundred fifty-two thousand, nine hundred ninety-three".