411542209 has 6 divisors (see below), whose sum is σ = 445634646. Its totient is φ = 379884960.

The previous prime is 411542179. The next prime is 411542227. The reversal of 411542209 is 902245114.

It can be written as a sum of positive squares in 3 ways, for example, as 40132225 + 371409984 = 6335^2 + 19272^2 .

It is not a de Polignac number, because 411542209 - 2⁵ = 411542177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411542249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1217412 + ... + 1217749.

It is an arithmetic number, because the mean of its divisors is an integer number (74272441).

Almost surely, 2^411542209 is an apocalyptic number.

It is an amenable number.

411542209 is a deficient number, since it is larger than the sum of its proper divisors (34092437).

411542209 is a wasteful number, since it uses less digits than its factorization.

411542209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435187 (or 2435174 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 411542209 is about 20286.5031239985. The cubic root of 411542209 is about 743.8261826819.

The spelling of 411542209 in words is "four hundred eleven million, five hundred forty-two thousand, two hundred nine".