5260309 has 4 divisors (see below), whose sum is σ = 5265216. Its totient is φ = 5255404.

The previous prime is 5260289. The next prime is 5260337. The reversal of 5260309 is 9030625.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5260309 - 2²¹ = 3163157 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5260349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (1316304).

Almost surely, 2^5260309 is an apocalyptic number.

It is an amenable number.

5260309 is a deficient number, since it is larger than the sum of its proper divisors (4907).

5260309 is a wasteful number, since it uses less digits than its factorization.

5260309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 5260309 is about 2293.5363524479. The cubic root of 5260309 is about 173.9150177339.

The spelling of 5260309 in words is "five million, two hundred sixty thousand, three hundred nine".