7249085 has 4 divisors (see below), whose sum is σ = 8698908. Its totient is φ = 5799264.

The previous prime is 7249049. The next prime is 7249091. The reversal of 7249085 is 5809427.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4618201 + 2630884 = 2149^2 + 1622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7249085 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724904 + ... + 724913.

It is an arithmetic number, because the mean of its divisors is an integer number (2174727).

Almost surely, 2^7249085 is an apocalyptic number.

It is an amenable number.

7249085 is a deficient number, since it is larger than the sum of its proper divisors (1449823).

7249085 is a wasteful number, since it uses less digits than its factorization.

7249085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449822.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 7249085 is about 2692.4124869715. The cubic root of 7249085 is about 193.5356895000.

The spelling of 7249085 in words is "seven million, two hundred forty-nine thousand, eighty-five".