10405541 has 2 divisors, whose sum is σ = 10405542. Its totient is φ = 10405540.

The previous prime is 10405537. The next prime is 10405567. The reversal of 10405541 is 14550401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 229441 = 3190^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 10405541 - 2² = 10405537 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10405501) 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, 5202770 + 5202771.

It is an arithmetic number, because the mean of its divisors is an integer number (5202771).

Almost surely, 2^10405541 is an apocalyptic number.

It is an amenable number.

10405541 is a deficient number, since it is larger than the sum of its proper divisors (1).

10405541 is an equidigital number, since it uses as much as digits as its factorization.

10405541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 10405541 is about 3225.7620805013. The cubic root of 10405541 is about 218.3173351653.

Adding to 10405541 its reverse (14550401), we get a palindrome (24955942).

The spelling of 10405541 in words is "ten million, four hundred five thousand, five hundred forty-one".