5001621 has 16 divisors (see below), whose sum is σ = 7138368. Its totient is φ = 3104000.

The previous prime is 5001593. The next prime is 5001629. The reversal of 5001621 is 1261005.

It is a cyclic number.

It is not a de Polignac number, because 5001621 - 2²¹ = 2904469 is a prime.

5001621 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5001621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5001629) 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, 4666 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (446148).

Almost surely, 2^5001621 is an apocalyptic number.

5001621 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5001621 is a deficient number, since it is larger than the sum of its proper divisors (2136747).

5001621 is a wasteful number, since it uses less digits than its factorization.

5001621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 5001621 is about 2236.4304147458. The cubic root of 5001621 is about 171.0160718111.

Adding to 5001621 its reverse (1261005), we get a palindrome (6262626).

The spelling of 5001621 in words is "five million, one thousand, six hundred twenty-one".