5161280 has 42 divisors (see below), whose sum is σ = 12387834. Its totient is φ = 2048256.

The previous prime is 5161267. The next prime is 5161291. The reversal of 5161280 is 821615.

It can be written as a sum of positive squares in only one way, i.e., 4129024 + 1032256 = 2032^2 + 1016^2 .

It is a super-2 number, since 2×5161280² = 53277622476800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40577 + ... + 40703.

Almost surely, 2^5161280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5161280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6193917).

5161280 is an abundant number, since it is smaller than the sum of its proper divisors (7226554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161280 is an equidigital number, since it uses as much as digits as its factorization.

5161280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 5161280 is about 2271.8450651398. The cubic root of 5161280 is about 172.8167393478.

Adding to 5161280 its reverse (821615), we get a palindrome (5982895).

The spelling of 5161280 in words is "five million, one hundred sixty-one thousand, two hundred eighty".