415605149 has 2 divisors, whose sum is σ = 415605150. Its totient is φ = 415605148.

The previous prime is 415605121. The next prime is 415605209. The reversal of 415605149 is 941506514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214476025 + 201129124 = 14645^2 + 14182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-415605149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415602149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207802574 + 207802575.

It is an arithmetic number, because the mean of its divisors is an integer number (207802575).

Almost surely, 2^415605149 is an apocalyptic number.

It is an amenable number.

415605149 is a deficient number, since it is larger than the sum of its proper divisors (1).

415605149 is an equidigital number, since it uses as much as digits as its factorization.

415605149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 415605149 is about 20386.3961749006. The cubic root of 415605149 is about 746.2659729828.

The spelling of 415605149 in words is "four hundred fifteen million, six hundred five thousand, one hundred forty-nine".