5161265 has 8 divisors (see below), whose sum is σ = 6207720. Its totient is φ = 4119552.

The previous prime is 5161253. The next prime is 5161267. The reversal of 5161265 is 5621615.

It can be written as a sum of positive squares in 4 ways, for example, as 3400336 + 1760929 = 1844^2 + 1327^2 .

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 5161265 - 2⁴ = 5161249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5161267) 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, 1991 + ... + 3779.

It is an arithmetic number, because the mean of its divisors is an integer number (775965).

Almost surely, 2^5161265 is an apocalyptic number.

It is an amenable number.

5161265 is a deficient number, since it is larger than the sum of its proper divisors (1046455).

5161265 is a wasteful number, since it uses less digits than its factorization.

5161265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

The product of its digits is 1800, while the sum is 26.

The square root of 5161265 is about 2271.8417638559. The cubic root of 5161265 is about 172.8165719310.

It can be divided in two parts, 51 and 61265, that added together give a palindrome (61316).

The spelling of 5161265 in words is "five million, one hundred sixty-one thousand, two hundred sixty-five".