40584251 has 2 divisors, whose sum is σ = 40584252. Its totient is φ = 40584250.

The previous prime is 40584191. The next prime is 40584263. The reversal of 40584251 is 15248504.

40584251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40584251 is a prime.

It is not a weakly prime, because it can be changed into another prime (40584751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20292125 + 20292126.

It is an arithmetic number, because the mean of its divisors is an integer number (20292126).

Almost surely, 2^40584251 is an apocalyptic number.

40584251 is a deficient number, since it is larger than the sum of its proper divisors (1).

40584251 is an equidigital number, since it uses as much as digits as its factorization.

40584251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 40584251 is about 6370.5769754395. The cubic root of 40584251 is about 343.6522394839.

The spelling of 40584251 in words is "forty million, five hundred eighty-four thousand, two hundred fifty-one".