413439561 has 24 divisors (see below), whose sum is σ = 607154184. Its totient is φ = 271065600.

The previous prime is 413439553. The next prime is 413439569. The reversal of 413439561 is 165934314.

It is an interprime number because it is at equal distance from previous prime (413439553) and next prime (413439569).

It can be written as a sum of positive squares in 4 ways, for example, as 50765625 + 362673936 = 7125^2 + 19044^2 .

It is not a de Polignac number, because 413439561 - 2³ = 413439553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (413439569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141265 + ... + 144161.

It is an arithmetic number, because the mean of its divisors is an integer number (25298091).

Almost surely, 2^413439561 is an apocalyptic number.

It is an amenable number.

413439561 is a deficient number, since it is larger than the sum of its proper divisors (193714623).

413439561 is a wasteful number, since it uses less digits than its factorization.

413439561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3158 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 413439561 is about 20333.2132482793. The cubic root of 413439561 is about 744.9675291765.

The spelling of 413439561 in words is "four hundred thirteen million, four hundred thirty-nine thousand, five hundred sixty-one".