5252009 has 4 divisors (see below), whose sum is σ = 6002304. Its totient is φ = 4501716.

The previous prime is 5251951. The next prime is 5252011. The reversal of 5252009 is 9002525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5252009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5252029) 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, 375137 + ... + 375150.

It is an arithmetic number, because the mean of its divisors is an integer number (1500576).

Almost surely, 2^5252009 is an apocalyptic number.

It is an amenable number.

5252009 is a deficient number, since it is larger than the sum of its proper divisors (750295).

5252009 is an equidigital number, since it uses as much as digits as its factorization.

5252009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750294.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5252009 is about 2291.7262052872. The cubic root of 5252009 is about 173.8234987426.

The spelling of 5252009 in words is "five million, two hundred fifty-two thousand, nine".