40655203 has 2 divisors, whose sum is σ = 40655204. Its totient is φ = 40655202.

The previous prime is 40655201. The next prime is 40655221. The reversal of 40655203 is 30255604.

40655203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40655203 - 2¹ = 40655201 is a prime.

Together with 40655201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40655201) 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, 20327601 + 20327602.

It is an arithmetic number, because the mean of its divisors is an integer number (20327602).

Almost surely, 2^40655203 is an apocalyptic number.

40655203 is a deficient number, since it is larger than the sum of its proper divisors (1).

40655203 is an equidigital number, since it uses as much as digits as its factorization.

40655203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 40655203 is about 6376.1432700340. The cubic root of 40655203 is about 343.8523878803.

The spelling of 40655203 in words is "forty million, six hundred fifty-five thousand, two hundred three".