5163509 has 8 divisors (see below), whose sum is σ = 5637912. Its totient is φ = 4700160.

The previous prime is 5163491. The next prime is 5163511. The reversal of 5163509 is 9053615.

It can be written as a sum of positive squares in 4 ways, for example, as 605284 + 4558225 = 778^2 + 2135^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5163509 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5163409) 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, 1772 + ... + 3669.

It is an arithmetic number, because the mean of its divisors is an integer number (704739).

Almost surely, 2^5163509 is an apocalyptic number.

It is an amenable number.

5163509 is a deficient number, since it is larger than the sum of its proper divisors (474403).

5163509 is a wasteful number, since it uses less digits than its factorization.

5163509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 5163509 is about 2272.3355826110. The cubic root of 5163509 is about 172.8416138667.

The spelling of 5163509 in words is "five million, one hundred sixty-three thousand, five hundred nine".