530440003 has 2 divisors, whose sum is σ = 530440004. Its totient is φ = 530440002.

The previous prime is 530439997. The next prime is 530440067. The reversal of 530440003 is 300044035.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530440003 is a prime.

It is not a weakly prime, because it can be changed into another prime (530446003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265220001 + 265220002.

It is an arithmetic number, because the mean of its divisors is an integer number (265220002).

Almost surely, 2^530440003 is an apocalyptic number.

530440003 is a deficient number, since it is larger than the sum of its proper divisors (1).

530440003 is an equidigital number, since it uses as much as digits as its factorization.

530440003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 530440003 is about 23031.2831383751. The cubic root of 530440003 is about 809.4911212034.

Adding to 530440003 its reverse (300044035), we get a palindrome (830484038).

The spelling of 530440003 in words is "five hundred thirty million, four hundred forty thousand, three".