5169281 has 16 divisors (see below), whose sum is σ = 5849088. Its totient is φ = 4536000.

The previous prime is 5169253. The next prime is 5169299. The reversal of 5169281 is 1829615.

It is a cyclic number.

It is not a de Polignac number, because 5169281 - 2²² = 974977 is a prime.

It is a super-2 number, since 2×5169281² = 53442932113922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5169211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40640 + ... + 40766.

It is an arithmetic number, because the mean of its divisors is an integer number (365568).

Almost surely, 2^5169281 is an apocalyptic number.

5169281 is the 1313-rd octagonal number.

It is an amenable number.

5169281 is a deficient number, since it is larger than the sum of its proper divisors (679807).

5169281 is a wasteful number, since it uses less digits than its factorization.

5169281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272.

The product of its digits is 4320, while the sum is 32.

The square root of 5169281 is about 2273.6052867637. The cubic root of 5169281 is about 172.9059932316.

The spelling of 5169281 in words is "five million, one hundred sixty-nine thousand, two hundred eighty-one".