5021630 has 32 divisors (see below), whose sum is σ = 9694080. Its totient is φ = 1866240.

The previous prime is 5021609. The next prime is 5021633. The reversal of 5021630 is 361205.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5021599 and 5021608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18395 + ... + 18665.

It is an arithmetic number, because the mean of its divisors is an integer number (302940).

Almost surely, 2^5021630 is an apocalyptic number.

5021630 is a deficient number, since it is larger than the sum of its proper divisors (4672450).

5021630 is a wasteful number, since it uses less digits than its factorization.

5021630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 5021630 is about 2240.8993730197. The cubic root of 5021630 is about 171.2438184850.

Adding to 5021630 its reverse (361205), we get a palindrome (5382835).

The spelling of 5021630 in words is "five million, twenty-one thousand, six hundred thirty".