7047253 has 4 divisors (see below), whose sum is σ = 7094700. Its totient is φ = 6999808.

The previous prime is 7047241. The next prime is 7047263. The reversal of 7047253 is 3527407.

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 1397124 + 5650129 = 1182^2 + 2377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7047253 is a prime.

It is a Duffinian number.

7047253 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7047263) 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, 23500 + ... + 23797.

It is an arithmetic number, because the mean of its divisors is an integer number (1773675).

Almost surely, 2^7047253 is an apocalyptic number.

It is an amenable number.

7047253 is a deficient number, since it is larger than the sum of its proper divisors (47447).

7047253 is a wasteful number, since it uses less digits than its factorization.

7047253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47446.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 7047253 is about 2654.6662690440. Note that the first 3 decimals coincide. The cubic root of 7047253 is about 191.7225901926.

The spelling of 7047253 in words is "seven million, forty-seven thousand, two hundred fifty-three".