5161365 has 24 divisors (see below), whose sum is σ = 9760608. Its totient is φ = 2502240.

The previous prime is 5161363. The next prime is 5161381. The reversal of 5161365 is 5631615.

It is a happy number.

It is not a de Polignac number, because 5161365 - 2¹ = 5161363 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4719 + ... + 5708.

It is an arithmetic number, because the mean of its divisors is an integer number (406692).

Almost surely, 2^5161365 is an apocalyptic number.

5161365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5161365 is a deficient number, since it is larger than the sum of its proper divisors (4599243).

5161365 is a wasteful number, since it uses less digits than its factorization.

5161365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449 (or 10446 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 5161365 is about 2271.8637723244. The cubic root of 5161365 is about 172.8176880363.

It can be divided in two parts, 516 and 1365, that added together give a palindrome (1881).

The spelling of 5161365 in words is "five million, one hundred sixty-one thousand, three hundred sixty-five".