6451541 has 2 divisors, whose sum is σ = 6451542. Its totient is φ = 6451540.

The previous prime is 6451513. The next prime is 6451547. The reversal of 6451541 is 1451546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6355441 + 96100 = 2521^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 6451541 - 2¹⁴ = 6435157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6451541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6451547) 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, 3225770 + 3225771.

It is an arithmetic number, because the mean of its divisors is an integer number (3225771).

Almost surely, 2^6451541 is an apocalyptic number.

It is an amenable number.

6451541 is a deficient number, since it is larger than the sum of its proper divisors (1).

6451541 is an equidigital number, since it uses as much as digits as its factorization.

6451541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 6451541 is about 2539.9883858002. The cubic root of 6451541 is about 186.1606216503.

The spelling of 6451541 in words is "six million, four hundred fifty-one thousand, five hundred forty-one".