64954193 has 2 divisors, whose sum is σ = 64954194. Its totient is φ = 64954192.

The previous prime is 64954181. The next prime is 64954213. The reversal of 64954193 is 39145946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64529089 + 425104 = 8033^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 64954193 - 2⁴ = 64954177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64954193.

It is not a weakly prime, because it can be changed into another prime (64954133) 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, 32477096 + 32477097.

It is an arithmetic number, because the mean of its divisors is an integer number (32477097).

Almost surely, 2^64954193 is an apocalyptic number.

It is an amenable number.

64954193 is a deficient number, since it is larger than the sum of its proper divisors (1).

64954193 is an equidigital number, since it uses as much as digits as its factorization.

64954193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 64954193 is about 8059.4164180789. The cubic root of 64954193 is about 401.9781037223.

The spelling of 64954193 in words is "sixty-four million, nine hundred fifty-four thousand, one hundred ninety-three".