415421827 has 2 divisors, whose sum is σ = 415421828. Its totient is φ = 415421826.

The previous prime is 415421771. The next prime is 415421857. The reversal of 415421827 is 728124514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 415421827 - 2¹¹ = 415419779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 415421792 and 415421801.

It is not a weakly prime, because it can be changed into another prime (415421857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207710913 + 207710914.

It is an arithmetic number, because the mean of its divisors is an integer number (207710914).

Almost surely, 2^415421827 is an apocalyptic number.

415421827 is a deficient number, since it is larger than the sum of its proper divisors (1).

415421827 is an equidigital number, since it uses as much as digits as its factorization.

415421827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17920, while the sum is 34.

The square root of 415421827 is about 20381.8994944043. The cubic root of 415421827 is about 746.1562317288.

The spelling of 415421827 in words is "four hundred fifteen million, four hundred twenty-one thousand, eight hundred twenty-seven".