67085401 has 2 divisors, whose sum is σ = 67085402. Its totient is φ = 67085400.

The previous prime is 67085377. The next prime is 67085429. The reversal of 67085401 is 10458076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50069776 + 17015625 = 7076^2 + 4125^2 .

It is a cyclic number.

It is not a de Polignac number, because 67085401 - 2¹⁵ = 67052633 is a prime.

It is not a weakly prime, because it can be changed into another prime (67085101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33542700 + 33542701.

It is an arithmetic number, because the mean of its divisors is an integer number (33542701).

Almost surely, 2^67085401 is an apocalyptic number.

It is an amenable number.

67085401 is a deficient number, since it is larger than the sum of its proper divisors (1).

67085401 is an equidigital number, since it uses as much as digits as its factorization.

67085401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 67085401 is about 8190.5678069350. The cubic root of 67085401 is about 406.3273040741.

The spelling of 67085401 in words is "sixty-seven million, eighty-five thousand, four hundred one".