5247805 has 8 divisors (see below), whose sum is σ = 6355800. Its totient is φ = 4159296.

The previous prime is 5247793. The next prime is 5247871. The reversal of 5247805 is 5087425.

It can be written as a sum of positive squares in 4 ways, for example, as 2515396 + 2732409 = 1586^2 + 1653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5247805 - 2¹⁹ = 4723517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4270 + ... + 5359.

It is an arithmetic number, because the mean of its divisors is an integer number (794475).

Almost surely, 2^5247805 is an apocalyptic number.

It is an amenable number.

5247805 is a deficient number, since it is larger than the sum of its proper divisors (1107995).

5247805 is a wasteful number, since it uses less digits than its factorization.

5247805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9743.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 5247805 is about 2290.8088091327. The cubic root of 5247805 is about 173.7771070314. Note that the first 3 decimals are identical.

The spelling of 5247805 in words is "five million, two hundred forty-seven thousand, eight hundred five".