64933361 has 2 divisors, whose sum is σ = 64933362. Its totient is φ = 64933360.

The previous prime is 64933343. The next prime is 64933369. The reversal of 64933361 is 16333946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64899136 + 34225 = 8056^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 64933361 - 2¹⁰ = 64932337 is a prime.

It is equal to p_3836843 and since 64933361 and 3836843 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (64933369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32466680 + 32466681.

It is an arithmetic number, because the mean of its divisors is an integer number (32466681).

Almost surely, 2^64933361 is an apocalyptic number.

It is an amenable number.

64933361 is a deficient number, since it is larger than the sum of its proper divisors (1).

64933361 is an equidigital number, since it uses as much as digits as its factorization.

64933361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 35.

The square root of 64933361 is about 8058.1239131699. The cubic root of 64933361 is about 401.9351252125.

The spelling of 64933361 in words is "sixty-four million, nine hundred thirty-three thousand, three hundred sixty-one".