7865541 has 12 divisors (see below), whose sum is σ = 11407968. Its totient is φ = 5222184.

The previous prime is 7865527. The next prime is 7865551. The reversal of 7865541 is 1455687.

It is not a de Polignac number, because 7865541 - 2¹⁸ = 7603397 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7865496 and 7865505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7865551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706 + ... + 4028.

It is an arithmetic number, because the mean of its divisors is an integer number (950664).

Almost surely, 2^7865541 is an apocalyptic number.

It is an amenable number.

7865541 is a deficient number, since it is larger than the sum of its proper divisors (3542427).

7865541 is a wasteful number, since it uses less digits than its factorization.

7865541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592 (or 3589 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 7865541 is about 2804.5571842984. The cubic root of 7865541 is about 198.8731715447.

The spelling of 7865541 in words is "seven million, eight hundred sixty-five thousand, five hundred forty-one".