840054503 has 2 divisors, whose sum is σ = 840054504. Its totient is φ = 840054502.

The previous prime is 840054497. The next prime is 840054533. The reversal of 840054503 is 305450048.

840054503 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 840054503 - 2⁴ = 840054487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (840054533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420027251 + 420027252.

It is an arithmetic number, because the mean of its divisors is an integer number (420027252).

Almost surely, 2^840054503 is an apocalyptic number.

840054503 is a deficient number, since it is larger than the sum of its proper divisors (1).

840054503 is an equidigital number, since it uses as much as digits as its factorization.

840054503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 840054503 is about 28983.6937432067. The cubic root of 840054503 is about 943.5592026438.

The spelling of 840054503 in words is "eight hundred forty million, fifty-four thousand, five hundred three".