6614401 has 2 divisors, whose sum is σ = 6614402. Its totient is φ = 6614400.

The previous prime is 6614393. The next prime is 6614423. The reversal of 6614401 is 1044166.

It is an a-pointer prime, because the next prime (6614423) can be obtained adding 6614401 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 389376 = 2495^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 6614401 - 2³ = 6614393 is a prime.

6614401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6614471) 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, 3307200 + 3307201.

It is an arithmetic number, because the mean of its divisors is an integer number (3307201).

Almost surely, 2^6614401 is an apocalyptic number.

It is an amenable number.

6614401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6614401 is an equidigital number, since it uses as much as digits as its factorization.

6614401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 6614401 is about 2571.8477793213. The cubic root of 6614401 is about 187.7140760805.

Adding to 6614401 its reverse (1044166), we get a palindrome (7658567).

The spelling of 6614401 in words is "six million, six hundred fourteen thousand, four hundred one".