40695583 has 2 divisors, whose sum is σ = 40695584. Its totient is φ = 40695582.

The previous prime is 40695559. The next prime is 40695593. The reversal of 40695583 is 38559604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40695583 is a prime.

It is a super-2 number, since 2×40695583² = 3312260951419778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40695503) 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, 20347791 + 20347792.

It is an arithmetic number, because the mean of its divisors is an integer number (20347792).

Almost surely, 2^40695583 is an apocalyptic number.

40695583 is a deficient number, since it is larger than the sum of its proper divisors (1).

40695583 is an equidigital number, since it uses as much as digits as its factorization.

40695583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 40695583 is about 6379.3089751163. The cubic root of 40695583 is about 343.9661918054.

The spelling of 40695583 in words is "forty million, six hundred ninety-five thousand, five hundred eighty-three".