9541665 has 64 divisors (see below), whose sum is σ = 20275200. Its totient is φ = 4162752.

The previous prime is 9541663. The next prime is 9541669. The reversal of 9541665 is 5661459.

9541665 = T₆₄ + T₆₅ + ... + T₃₈₅.

It is not a de Polignac number, because 9541665 - 2¹ = 9541663 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9541663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21516 + ... + 21954.

It is an arithmetic number, because the mean of its divisors is an integer number (316800).

Almost surely, 2^9541665 is an apocalyptic number.

It is an amenable number.

9541665 is an abundant number, since it is smaller than the sum of its proper divisors (10733535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9541665 is a wasteful number, since it uses less digits than its factorization.

9541665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 477 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 9541665 is about 3088.9585623637. The cubic root of 9541665 is about 212.1003515056.

It can be divided in two parts, 95416 and 65, that added together give a square (95481 = 309²).

The spelling of 9541665 in words is "nine million, five hundred forty-one thousand, six hundred sixty-five".