5130161 has 8 divisors (see below), whose sum is σ = 5357544. Its totient is φ = 4907520.

The previous prime is 5130157. The next prime is 5130163. The reversal of 5130161 is 1610315.

It can be written as a sum of positive squares in 4 ways, for example, as 1366561 + 3763600 = 1169^2 + 1940^2 .

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 5130161 - 2² = 5130157 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5130163) 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, 1121 + ... + 3393.

It is an arithmetic number, because the mean of its divisors is an integer number (669693).

Almost surely, 2^5130161 is an apocalyptic number.

It is an amenable number.

5130161 is a deficient number, since it is larger than the sum of its proper divisors (227383).

5130161 is a wasteful number, since it uses less digits than its factorization.

5130161 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 (nonzero) digits is 90, while the sum is 17.

The square root of 5130161 is about 2264.9858719206. The cubic root of 5130161 is about 172.4687165842.

Adding to 5130161 its reverse (1610315), we get a palindrome (6740476).

It can be divided in two parts, 51301 and 61, that multiplied together give a square (3129361 = 1769²).

The spelling of 5130161 in words is "five million, one hundred thirty thousand, one hundred sixty-one".