415563913 has 2 divisors, whose sum is σ = 415563914. Its totient is φ = 415563912.

The previous prime is 415563901. The next prime is 415563943. The reversal of 415563913 is 319365514.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376476409 + 39087504 = 19403^2 + 6252^2 .

It is a cyclic number.

It is not a de Polignac number, because 415563913 - 2¹⁷ = 415432841 is a prime.

It is not a weakly prime, because it can be changed into another prime (415563943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207781956 + 207781957.

It is an arithmetic number, because the mean of its divisors is an integer number (207781957).

Almost surely, 2^415563913 is an apocalyptic number.

It is an amenable number.

415563913 is a deficient number, since it is larger than the sum of its proper divisors (1).

415563913 is an equidigital number, since it uses as much as digits as its factorization.

415563913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 415563913 is about 20385.3847891081. The cubic root of 415563913 is about 746.2412908684.

The spelling of 415563913 in words is "four hundred fifteen million, five hundred sixty-three thousand, nine hundred thirteen".