415204161 has 4 divisors (see below), whose sum is σ = 553605552. Its totient is φ = 276802772.

The previous prime is 415204129. The next prime is 415204187. The reversal of 415204161 is 161402514.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 415204161 - 2⁵ = 415204129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (415204261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69200691 + ... + 69200696.

It is an arithmetic number, because the mean of its divisors is an integer number (138401388).

Almost surely, 2^415204161 is an apocalyptic number.

It is an amenable number.

415204161 is a deficient number, since it is larger than the sum of its proper divisors (138401391).

415204161 is a wasteful number, since it uses less digits than its factorization.

415204161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138401390.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 415204161 is about 20376.5591059924. The cubic root of 415204161 is about 746.0258893425.

Adding to 415204161 its reverse (161402514), we get a palindrome (576606675).

The spelling of 415204161 in words is "four hundred fifteen million, two hundred four thousand, one hundred sixty-one".