6453541 has 2 divisors, whose sum is σ = 6453542. Its totient is φ = 6453540.

The previous prime is 6453533. The next prime is 6453571. The reversal of 6453541 is 1453546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 2709316 = 1935^2 + 1646^2 .

It is a cyclic number.

It is not a de Polignac number, because 6453541 - 2³ = 6453533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6453511) 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, 3226770 + 3226771.

It is an arithmetic number, because the mean of its divisors is an integer number (3226771).

Almost surely, 2^6453541 is an apocalyptic number.

It is an amenable number.

6453541 is a deficient number, since it is larger than the sum of its proper divisors (1).

6453541 is an equidigital number, since it uses as much as digits as its factorization.

6453541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 6453541 is about 2540.3820578803. The cubic root of 6453541 is about 186.1798564748.

It can be divided in two parts, 645 and 3541, that added together give a triangular number (4186 = T₉₁).

The spelling of 6453541 in words is "six million, four hundred fifty-three thousand, five hundred forty-one".