2400543503 has 2 divisors, whose sum is σ = 2400543504. Its totient is φ = 2400543502.

The previous prime is 2400543427. The next prime is 2400543529. The reversal of 2400543503 is 3053450042.

2400543503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2400543529) can be obtained adding 2400543503 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2400543503 - 2⁸ = 2400543247 is a prime.

It is a super-2 number, since 2×2400543503² = 11525218219591022018, which contains 22 as substring.

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 (2400548503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200271751 + 1200271752.

It is an arithmetic number, because the mean of its divisors is an integer number (1200271752).

Almost surely, 2^2400543503 is an apocalyptic number.

2400543503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400543503 is an equidigital number, since it uses as much as digits as its factorization.

2400543503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 2400543503 is about 48995.3416459157. The cubic root of 2400543503 is about 1338.9669588741.

Adding to 2400543503 its reverse (3053450042), we get a palindrome (5453993545).

The spelling of 2400543503 in words is "two billion, four hundred million, five hundred forty-three thousand, five hundred three".