415424509 has 2 divisors, whose sum is σ = 415424510. Its totient is φ = 415424508.

The previous prime is 415424497. The next prime is 415424533. The reversal of 415424509 is 905424514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360620100 + 54804409 = 18990^2 + 7403^2 .

It is a cyclic number.

It is not a de Polignac number, because 415424509 - 2⁹ = 415423997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415424599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207712254 + 207712255.

It is an arithmetic number, because the mean of its divisors is an integer number (207712255).

Almost surely, 2^415424509 is an apocalyptic number.

It is an amenable number.

415424509 is a deficient number, since it is larger than the sum of its proper divisors (1).

415424509 is an equidigital number, since it uses as much as digits as its factorization.

415424509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 415424509 is about 20381.9652879697. The cubic root of 415424509 is about 746.1578374755.

The spelling of 415424509 in words is "four hundred fifteen million, four hundred twenty-four thousand, five hundred nine".