412540665 has 16 divisors (see below), whose sum is σ = 661203648. Its totient is φ = 219642176.

The previous prime is 412540643. The next prime is 412540699. The reversal of 412540665 is 566045214.

412540665 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 412540665 - 2⁷ = 412540537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14622 + ... + 32231.

It is an arithmetic number, because the mean of its divisors is an integer number (41325228).

Almost surely, 2^412540665 is an apocalyptic number.

It is an amenable number.

412540665 is a deficient number, since it is larger than the sum of its proper divisors (248662983).

412540665 is a wasteful number, since it uses less digits than its factorization.

412540665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47448.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 412540665 is about 20311.0970900146. The cubic root of 412540665 is about 744.4272371995.

Adding to 412540665 its reverse (566045214), we get a palindrome (978585879).

The spelling of 412540665 in words is "four hundred twelve million, five hundred forty thousand, six hundred sixty-five".