67536361 has 2 divisors, whose sum is σ = 67536362. Its totient is φ = 67536360.

The previous prime is 67536341. The next prime is 67536373. The reversal of 67536361 is 16363576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50979600 + 16556761 = 7140^2 + 4069^2 .

It is a cyclic number.

It is not a de Polignac number, because 67536361 - 2⁷ = 67536233 is a prime.

It is a super-2 number, since 2×67536361² = 9122320114244642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67536361.

It is not a weakly prime, because it can be changed into another prime (67536311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33768180 + 33768181.

It is an arithmetic number, because the mean of its divisors is an integer number (33768181).

Almost surely, 2^67536361 is an apocalyptic number.

It is an amenable number.

67536361 is a deficient number, since it is larger than the sum of its proper divisors (1).

67536361 is an equidigital number, since it uses as much as digits as its factorization.

67536361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 37.

The square root of 67536361 is about 8218.0509246414. The cubic root of 67536361 is about 407.2357396906.

The spelling of 67536361 in words is "sixty-seven million, five hundred thirty-six thousand, three hundred sixty-one".