5131329 has 24 divisors (see below), whose sum is σ = 8093088. Its totient is φ = 2882880.

The previous prime is 5131307. The next prime is 5131333. The reversal of 5131329 is 9231315.

It is a happy number.

It is not a de Polignac number, because 5131329 - 2⁷ = 5131201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5131299 and 5131308.

It is not an unprimeable number, because it can be changed into a prime (5131339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9589 + ... + 10109.

It is an arithmetic number, because the mean of its divisors is an integer number (337212).

Almost surely, 2^5131329 is an apocalyptic number.

It is an amenable number.

5131329 is a deficient number, since it is larger than the sum of its proper divisors (2961759).

5131329 is a wasteful number, since it uses less digits than its factorization.

5131329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 598 counting only the distinct ones).

The product of its digits is 810, while the sum is 24.

The square root of 5131329 is about 2265.2436954994. The cubic root of 5131329 is about 172.4818044240.

It can be divided in two parts, 5131 and 329, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 5131329 in words is "five million, one hundred thirty-one thousand, three hundred twenty-nine".