6541402 has 12 divisors (see below), whose sum is σ = 11414250. Its totient is φ = 2803416.

The previous prime is 6541393. The next prime is 6541429. The reversal of 6541402 is 2041456.

It can be written as a sum of positive squares in only one way, i.e., 5239521 + 1301881 = 2289^2 + 1141^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 33277 + ... + 33472.

Almost surely, 2^6541402 is an apocalyptic number.

6541402 is a deficient number, since it is larger than the sum of its proper divisors (4872848).

6541402 is a wasteful number, since it uses less digits than its factorization.

6541402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66765 (or 66758 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 6541402 is about 2557.6164685113. The cubic root of 6541402 is about 187.0209590738.

Adding to 6541402 its reverse (2041456), we get a palindrome (8582858).

The spelling of 6541402 in words is "six million, five hundred forty-one thousand, four hundred two".