41212609 has 4 divisors (see below), whose sum is σ = 42542080. Its totient is φ = 39883140.

The previous prime is 41212583. The next prime is 41212631. The reversal of 41212609 is 90621214.

41212609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41212609 - 2¹⁵ = 41179841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41213609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664689 + ... + 664750.

It is an arithmetic number, because the mean of its divisors is an integer number (10635520).

Almost surely, 2^41212609 is an apocalyptic number.

It is an amenable number.

41212609 is a deficient number, since it is larger than the sum of its proper divisors (1329471).

41212609 is a wasteful number, since it uses less digits than its factorization.

41212609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329470.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 41212609 is about 6419.7047439894. The cubic root of 41212609 is about 345.4167308961.

The spelling of 41212609 in words is "forty-one million, two hundred twelve thousand, six hundred nine".