40771573 has 2 divisors, whose sum is σ = 40771574. Its totient is φ = 40771572.

The previous prime is 40771567. The next prime is 40771597. The reversal of 40771573 is 37517704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39652209 + 1119364 = 6297^2 + 1058^2 .

It is a cyclic number.

It is not a de Polignac number, because 40771573 - 2⁹ = 40771061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40771543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20385786 + 20385787.

It is an arithmetic number, because the mean of its divisors is an integer number (20385787).

Almost surely, 2^40771573 is an apocalyptic number.

It is an amenable number.

40771573 is a deficient number, since it is larger than the sum of its proper divisors (1).

40771573 is an equidigital number, since it uses as much as digits as its factorization.

40771573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 40771573 is about 6385.2621715948. The cubic root of 40771573 is about 344.1801522804.

The spelling of 40771573 in words is "forty million, seven hundred seventy-one thousand, five hundred seventy-three".