5011421 has 4 divisors (see below), whose sum is σ = 5275200. Its totient is φ = 4747644.

The previous prime is 5011387. The next prime is 5011439. The reversal of 5011421 is 1241105.

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.

It is a de Polignac number, because none of the positive numbers 2^k-5011421 is a prime.

It is a super-2 number, since 2×5011421² = 50228680878482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5011396 and 5011405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011451) 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, 131861 + ... + 131898.

It is an arithmetic number, because the mean of its divisors is an integer number (1318800).

Almost surely, 2^5011421 is an apocalyptic number.

It is an amenable number.

5011421 is a deficient number, since it is larger than the sum of its proper divisors (263779).

5011421 is a wasteful number, since it uses less digits than its factorization.

5011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263778.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 5011421 is about 2238.6203340451. The cubic root of 5011421 is about 171.1276932294.

Adding to 5011421 its reverse (1241105), we get a palindrome (6252526).

The spelling of 5011421 in words is "five million, eleven thousand, four hundred twenty-one".