6725401 has 2 divisors, whose sum is σ = 6725402. Its totient is φ = 6725400.

The previous prime is 6725399. The next prime is 6725423. The reversal of 6725401 is 1045276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5285401 + 1440000 = 2299^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 6725401 - 2¹ = 6725399 is a prime.

It is a super-2 number, since 2×6725401² = 90462037221602, which contains 22 as substring.

Together with 6725399, it forms a pair of twin primes.

6725401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6725441) 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, 3362700 + 3362701.

It is an arithmetic number, because the mean of its divisors is an integer number (3362701).

Almost surely, 2^6725401 is an apocalyptic number.

It is an amenable number.

6725401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6725401 is an equidigital number, since it uses as much as digits as its factorization.

6725401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 6725401 is about 2593.3378106217. The cubic root of 6725401 is about 188.7583017561.

The spelling of 6725401 in words is "six million, seven hundred twenty-five thousand, four hundred one".