5165261 has 8 divisors (see below), whose sum is σ = 5279160. Its totient is φ = 5052672.

The previous prime is 5165243. The next prime is 5165267. The reversal of 5165261 is 1625615.

5165261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3222025 + 1943236 = 1795^2 + 1394^2 .

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-5165261 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 5165261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165267) 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, 12425 + ... + 12833.

It is an arithmetic number, because the mean of its divisors is an integer number (659895).

Almost surely, 2^5165261 is an apocalyptic number.

It is an amenable number.

5165261 is a deficient number, since it is larger than the sum of its proper divisors (113899).

5165261 is a wasteful number, since it uses less digits than its factorization.

5165261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

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

The square root of 5165261 is about 2272.7210563551. The cubic root of 5165261 is about 172.8611602814.

The spelling of 5165261 in words is "five million, one hundred sixty-five thousand, two hundred sixty-one".