64135361 has 2 divisors, whose sum is σ = 64135362. Its totient is φ = 64135360.

The previous prime is 64135321. The next prime is 64135363. The reversal of 64135361 is 16353146.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47886400 + 16248961 = 6920^2 + 4031^2 .

It is a cyclic number.

It is not a de Polignac number, because 64135361 - 2¹⁰ = 64134337 is a prime.

It is a super-2 number, since 2×64135361² = 8226689061200642, which contains 22 as substring.

Together with 64135363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64135363) 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, 32067680 + 32067681.

It is an arithmetic number, because the mean of its divisors is an integer number (32067681).

Almost surely, 2^64135361 is an apocalyptic number.

It is an amenable number.

64135361 is a deficient number, since it is larger than the sum of its proper divisors (1).

64135361 is an equidigital number, since it uses as much as digits as its factorization.

64135361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 64135361 is about 8008.4555939332. The cubic root of 64135361 is about 400.2818035037.

The spelling of 64135361 in words is "sixty-four million, one hundred thirty-five thousand, three hundred sixty-one".