40517563 has 2 divisors, whose sum is σ = 40517564. Its totient is φ = 40517562.

The previous prime is 40517551. The next prime is 40517569. The reversal of 40517563 is 36571504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40517563 - 2¹⁷ = 40386491 is a prime.

It is a super-2 number, since 2×40517563² = 3283345822917938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40517569) 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, 20258781 + 20258782.

It is an arithmetic number, because the mean of its divisors is an integer number (20258782).

Almost surely, 2^40517563 is an apocalyptic number.

40517563 is a deficient number, since it is larger than the sum of its proper divisors (1).

40517563 is an equidigital number, since it uses as much as digits as its factorization.

40517563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 40517563 is about 6365.3407607134. The cubic root of 40517563 is about 343.4639066198.

The spelling of 40517563 in words is "forty million, five hundred seventeen thousand, five hundred sixty-three".