40605529 has 2 divisors, whose sum is σ = 40605530. Its totient is φ = 40605528.

The previous prime is 40605497. The next prime is 40605541. The reversal of 40605529 is 92550604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23299929 + 17305600 = 4827^2 + 4160^2 .

It is a cyclic number.

It is not a de Polignac number, because 40605529 - 2⁵ = 40605497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40605529.

It is not a weakly prime, because it can be changed into another prime (40605559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20302764 + 20302765.

It is an arithmetic number, because the mean of its divisors is an integer number (20302765).

Almost surely, 2^40605529 is an apocalyptic number.

It is an amenable number.

40605529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40605529 is an equidigital number, since it uses as much as digits as its factorization.

40605529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 40605529 is about 6372.2467780211. The cubic root of 40605529 is about 343.7122870362.

The spelling of 40605529 in words is "forty million, six hundred five thousand, five hundred twenty-nine".