5010421 has 4 divisors (see below), whose sum is σ = 5395852. Its totient is φ = 4624992.

The previous prime is 5010419. The next prime is 5010431. The reversal of 5010421 is 1240105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1240105 = 5 ⋅248021.

It can be written as a sum of positive squares in 2 ways, for example, as 1661521 + 3348900 = 1289^2 + 1830^2 .

It is a cyclic number.

It is not a de Polignac number, because 5010421 - 2¹ = 5010419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 385417 = 5010421 / (5 + 0 + 1 + 0 + 4 + 2 + 1).

It is a Duffinian number.

5010421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5010431) 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, 192696 + ... + 192721.

It is an arithmetic number, because the mean of its divisors is an integer number (1348963).

Almost surely, 2^5010421 is an apocalyptic number.

It is an amenable number.

5010421 is a deficient number, since it is larger than the sum of its proper divisors (385431).

5010421 is a wasteful number, since it uses less digits than its factorization.

5010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385430.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 5010421 is about 2238.3969710487. The cubic root of 5010421 is about 171.1163099593.

Adding to 5010421 its reverse (1240105), we get a palindrome (6250526).

The spelling of 5010421 in words is "five million, ten thousand, four hundred twenty-one".