245305043 has 2 divisors, whose sum is σ = 245305044. Its totient is φ = 245305042.

The previous prime is 245305037. The next prime is 245305069. The reversal of 245305043 is 340503542.

It is an a-pointer prime, because the next prime (245305069) can be obtained adding 245305043 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245305043 - 2⁶ = 245304979 is a prime.

It is not a weakly prime, because it can be changed into another prime (245305243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122652521 + 122652522.

It is an arithmetic number, because the mean of its divisors is an integer number (122652522).

Almost surely, 2^245305043 is an apocalyptic number.

245305043 is a deficient number, since it is larger than the sum of its proper divisors (1).

245305043 is an equidigital number, since it uses as much as digits as its factorization.

245305043 is an odious number, because the sum of its binary digits is odd.

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

The square root of 245305043 is about 15662.2170525121. The cubic root of 245305043 is about 625.9920611636.

Adding to 245305043 its reverse (340503542), we get a palindrome (585808585).

The spelling of 245305043 in words is "two hundred forty-five million, three hundred five thousand, forty-three".