4312605 has 32 divisors (see below), whose sum is σ = 7672320. Its totient is φ = 2050880.

The previous prime is 4312571. The next prime is 4312631. The reversal of 4312605 is 5062134.

It is a happy number.

It is not a de Polignac number, because 4312605 - 2⁶ = 4312541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9514 + ... + 9956.

It is an arithmetic number, because the mean of its divisors is an integer number (239760).

Almost surely, 2^4312605 is an apocalyptic number.

It is an amenable number.

4312605 is a deficient number, since it is larger than the sum of its proper divisors (3359715).

4312605 is a wasteful number, since it uses less digits than its factorization.

4312605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4312605 is about 2076.6812466048. The cubic root of 4312605 is about 162.7720728154.

Adding to 4312605 its reverse (5062134), we get a palindrome (9374739).

The spelling of 4312605 in words is "four million, three hundred twelve thousand, six hundred five".