40500287 has 2 divisors, whose sum is σ = 40500288. Its totient is φ = 40500286.

The previous prime is 40500283. The next prime is 40500289. The reversal of 40500287 is 78200504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40500287 - 2² = 40500283 is a prime.

Together with 40500289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40500283) 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, 20250143 + 20250144.

It is an arithmetic number, because the mean of its divisors is an integer number (20250144).

Almost surely, 2^40500287 is an apocalyptic number.

40500287 is a deficient number, since it is larger than the sum of its proper divisors (1).

40500287 is an equidigital number, since it uses as much as digits as its factorization.

40500287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 40500287 is about 6363.9835794886. The cubic root of 40500287 is about 343.4150839566.

The spelling of 40500287 in words is "forty million, five hundred thousand, two hundred eighty-seven".