5106321 has 30 divisors (see below), whose sum is σ = 8400546. Its totient is φ = 3088800.

The previous prime is 5106319. The next prime is 5106347. The reversal of 5106321 is 1236015.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 1185921 = 1980^2 + 1089^2 .

It is not a de Polignac number, because 5106321 - 2¹ = 5106319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5106294 and 5106303.

It is not an unprimeable number, because it can be changed into a prime (5106821) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9541 + ... + 10061.

Almost surely, 2^5106321 is an apocalyptic number.

It is an amenable number.

5106321 is a deficient number, since it is larger than the sum of its proper divisors (3294225).

5106321 is a wasteful number, since it uses less digits than its factorization.

5106321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5106321 is about 2259.7170176816. The cubic root of 5106321 is about 172.2011460546.

The spelling of 5106321 in words is "five million, one hundred six thousand, three hundred twenty-one".