5137209 has 48 divisors (see below), whose sum is σ = 9685440. Its totient is φ = 2661120.

The previous prime is 5137207. The next prime is 5137219. The reversal of 5137209 is 9027315.

5137209 is nontrivially palindromic in base 2.

5137209 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5137209 - 2¹ = 5137207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5137207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14377 + ... + 14729.

It is an arithmetic number, because the mean of its divisors is an integer number (201780).

Almost surely, 2^5137209 is an apocalyptic number.

It is an amenable number.

5137209 is a deficient number, since it is larger than the sum of its proper divisors (4548231).

5137209 is a wasteful number, since it uses less digits than its factorization.

5137209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 5137209 is about 2266.5411975078. The cubic root of 5137209 is about 172.5476616881.

The spelling of 5137209 in words is "five million, one hundred thirty-seven thousand, two hundred nine".