65894401 has 2 divisors, whose sum is σ = 65894402. Its totient is φ = 65894400.

The previous prime is 65894393. The next prime is 65894449. The reversal of 65894401 is 10449856.

It is a happy number.

65894401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36723600 + 29170801 = 6060^2 + 5401^2 .

It is a cyclic number.

It is not a de Polignac number, because 65894401 - 2³ = 65894393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65891401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32947200 + 32947201.

It is an arithmetic number, because the mean of its divisors is an integer number (32947201).

Almost surely, 2^65894401 is an apocalyptic number.

It is an amenable number.

65894401 is a deficient number, since it is larger than the sum of its proper divisors (1).

65894401 is an equidigital number, since it uses as much as digits as its factorization.

65894401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 65894401 is about 8117.5366337332. The cubic root of 65894401 is about 403.9083562512.

It can be divided in two parts, 658 and 94401, that added together give a palindrome (95059).

The spelling of 65894401 in words is "sixty-five million, eight hundred ninety-four thousand, four hundred one".