7045247 has 4 divisors (see below), whose sum is σ = 7685736. Its totient is φ = 6404760.

The previous prime is 7045243. The next prime is 7045279. The reversal of 7045247 is 7425407.

7045247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7045247 - 2² = 7045243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7045243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320228 + ... + 320249.

It is an arithmetic number, because the mean of its divisors is an integer number (1921434).

Almost surely, 2^7045247 is an apocalyptic number.

7045247 is a deficient number, since it is larger than the sum of its proper divisors (640489).

7045247 is a wasteful number, since it uses less digits than its factorization.

7045247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640488.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 7045247 is about 2654.2884168831. The cubic root of 7045247 is about 191.7043971930.

The spelling of 7045247 in words is "seven million, forty-five thousand, two hundred forty-seven".