41312409 has 4 divisors (see below), whose sum is σ = 55083216. Its totient is φ = 27541604.

The previous prime is 41312353. The next prime is 41312413. The reversal of 41312409 is 90421314.

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 41312409 - 2¹¹ = 41310361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41312419) 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, 6885399 + ... + 6885404.

It is an arithmetic number, because the mean of its divisors is an integer number (13770804).

Almost surely, 2^41312409 is an apocalyptic number.

It is an amenable number.

41312409 is a deficient number, since it is larger than the sum of its proper divisors (13770807).

41312409 is a wasteful number, since it uses less digits than its factorization.

41312409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13770806.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 41312409 is about 6427.4729871078. The cubic root of 41312409 is about 345.6953252536.

The spelling of 41312409 in words is "forty-one million, three hundred twelve thousand, four hundred nine".