6677401 has 2 divisors, whose sum is σ = 6677402. Its totient is φ = 6677400.

The previous prime is 6677399. The next prime is 6677423. The reversal of 6677401 is 1047766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3701776 + 2975625 = 1924^2 + 1725^2 .

It is a cyclic number.

It is not a de Polignac number, because 6677401 - 2¹ = 6677399 is a prime.

It is a super-2 number, since 2×6677401² = 89175368229602, which contains 22 as substring.

Together with 6677399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6677471) 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, 3338700 + 3338701.

It is an arithmetic number, because the mean of its divisors is an integer number (3338701).

Almost surely, 2^6677401 is an apocalyptic number.

It is an amenable number.

6677401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6677401 is an equidigital number, since it uses as much as digits as its factorization.

6677401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 6677401 is about 2584.0667561036. The cubic root of 6677401 is about 188.3081655529.

The spelling of 6677401 in words is "six million, six hundred seventy-seven thousand, four hundred one".