415430243 has 2 divisors, whose sum is σ = 415430244. Its totient is φ = 415430242.

The previous prime is 415430237. The next prime is 415430261. The reversal of 415430243 is 342034514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 415430243 - 2⁶ = 415430179 is a prime.

It is not a weakly prime, because it can be changed into another prime (415430293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207715121 + 207715122.

It is an arithmetic number, because the mean of its divisors is an integer number (207715122).

Almost surely, 2^415430243 is an apocalyptic number.

415430243 is a deficient number, since it is larger than the sum of its proper divisors (1).

415430243 is an equidigital number, since it uses as much as digits as its factorization.

415430243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 415430243 is about 20382.1059510542. The cubic root of 415430243 is about 746.1612704693.

Adding to 415430243 its reverse (342034514), we get a palindrome (757464757).

The spelling of 415430243 in words is "four hundred fifteen million, four hundred thirty thousand, two hundred forty-three".