5213009 has 4 divisors (see below), whose sum is σ = 5243316. Its totient is φ = 5182704.

The previous prime is 5212993. The next prime is 5213023. The reversal of 5213009 is 9003125.

5213009 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 can be written as a sum of positive squares in 2 ways, for example, as 3330625 + 1882384 = 1825^2 + 1372^2 .

It is a cyclic number.

It is not a de Polignac number, because 5213009 - 2⁴ = 5212993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5213059) 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, 14894 + ... + 15239.

It is an arithmetic number, because the mean of its divisors is an integer number (1310829).

Almost surely, 2^5213009 is an apocalyptic number.

It is an amenable number.

5213009 is a deficient number, since it is larger than the sum of its proper divisors (30307).

5213009 is a wasteful number, since it uses less digits than its factorization.

5213009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30306.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 5213009 is about 2283.2014803779. The cubic root of 5213009 is about 173.3921738926.

The spelling of 5213009 in words is "five million, two hundred thirteen thousand, nine".