4291065 has 24 divisors (see below), whose sum is σ = 7495488. Its totient is φ = 2270880.

The previous prime is 4291061. The next prime is 4291073. The reversal of 4291065 is 5601924.

It is not a de Polignac number, because 4291065 - 2² = 4291061 is a prime.

4291065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4291061) 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 23 ways as a sum of consecutive naturals, for example, 7230 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (312312).

Almost surely, 2^4291065 is an apocalyptic number.

4291065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4291065 is a deficient number, since it is larger than the sum of its proper divisors (3204423).

4291065 is a wasteful number, since it uses less digits than its factorization.

4291065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 4291065 is about 2071.4885951895. The cubic root of 4291065 is about 162.5006232718.

Adding to 4291065 its reverse (5601924), we get a palindrome (9892989).

The spelling of 4291065 in words is "four million, two hundred ninety-one thousand, sixty-five".