7243585 has 4 divisors (see below), whose sum is σ = 8692308. Its totient is φ = 5794864.

The previous prime is 7243583. The next prime is 7243627. The reversal of 7243585 is 5853427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5853427 = 47 ⋅124541.

It can be written as a sum of positive squares in 2 ways, for example, as 1669264 + 5574321 = 1292^2 + 2361^2 .

It is a cyclic number.

It is not a de Polignac number, because 7243585 - 2¹ = 7243583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7243585.

It is not an unprimeable number, because it can be changed into a prime (7243583) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 724354 + ... + 724363.

It is an arithmetic number, because the mean of its divisors is an integer number (2173077).

Almost surely, 2^7243585 is an apocalyptic number.

It is an amenable number.

7243585 is a deficient number, since it is larger than the sum of its proper divisors (1448723).

7243585 is a wasteful number, since it uses less digits than its factorization.

7243585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448722.

The product of its digits is 33600, while the sum is 34.

The square root of 7243585 is about 2691.3909043467. The cubic root of 7243585 is about 193.4867308793.

The spelling of 7243585 in words is "seven million, two hundred forty-three thousand, five hundred eighty-five".