5129409 has 8 divisors (see below), whose sum is σ = 6900192. Its totient is φ = 3389120.

The previous prime is 5129407. The next prime is 5129419. The reversal of 5129409 is 9049215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5129409 - 2¹ = 5129407 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5129407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7227 + ... + 7904.

It is an arithmetic number, because the mean of its divisors is an integer number (862524).

Almost surely, 2^5129409 is an apocalyptic number.

It is an amenable number.

5129409 is a deficient number, since it is larger than the sum of its proper divisors (1770783).

5129409 is a wasteful number, since it uses less digits than its factorization.

5129409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15247.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 5129409 is about 2264.8198603863. The cubic root of 5129409 is about 172.4602891156.

The spelling of 5129409 in words is "five million, one hundred twenty-nine thousand, four hundred nine".