5181629 has 4 divisors (see below), whose sum is σ = 5302176. Its totient is φ = 5061084.

The previous prime is 5181611. The next prime is 5181637. The reversal of 5181629 is 9261815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9261815 = 5 ⋅1852363.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5181629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5181595 and 5181604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60209 + ... + 60294.

It is an arithmetic number, because the mean of its divisors is an integer number (1325544).

Almost surely, 2^5181629 is an apocalyptic number.

It is an amenable number.

5181629 is a deficient number, since it is larger than the sum of its proper divisors (120547).

5181629 is a wasteful number, since it uses less digits than its factorization.

5181629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120546.

The product of its digits is 4320, while the sum is 32.

The square root of 5181629 is about 2276.3191779713. The cubic root of 5181629 is about 173.0435588134.

The spelling of 5181629 in words is "five million, one hundred eighty-one thousand, six hundred twenty-nine".