5220745 has 4 divisors (see below), whose sum is σ = 6264900. Its totient is φ = 4176592.

The previous prime is 5220731. The next prime is 5220749. The reversal of 5220745 is 5470225.

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 3655744 + 1565001 = 1912^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 5220745 - 2⁹ = 5220233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5220749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522070 + ... + 522079.

It is an arithmetic number, because the mean of its divisors is an integer number (1566225).

Almost surely, 2^5220745 is an apocalyptic number.

It is an amenable number.

5220745 is a deficient number, since it is larger than the sum of its proper divisors (1044155).

5220745 is a wasteful number, since it uses less digits than its factorization.

5220745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044154.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 5220745 is about 2284.8949647632. The cubic root of 5220745 is about 173.4779016611.

The spelling of 5220745 in words is "five million, two hundred twenty thousand, seven hundred forty-five".