40083541 has 2 divisors, whose sum is σ = 40083542. Its totient is φ = 40083540.

The previous prime is 40083437. The next prime is 40083587. The reversal of 40083541 is 14538004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40068900 + 14641 = 6330^2 + 121^2 .

It is a cyclic number.

It is not a de Polignac number, because 40083541 - 2⁷ = 40083413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40083941) 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, 20041770 + 20041771.

It is an arithmetic number, because the mean of its divisors is an integer number (20041771).

Almost surely, 2^40083541 is an apocalyptic number.

It is an amenable number.

40083541 is a deficient number, since it is larger than the sum of its proper divisors (1).

40083541 is an equidigital number, since it uses as much as digits as its factorization.

40083541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40083541 is about 6331.1563714696. The cubic root of 40083541 is about 342.2331122771.

The spelling of 40083541 in words is "forty million, eighty-three thousand, five hundred forty-one".