11254421 has 4 divisors (see below), whose sum is σ = 11263200. Its totient is φ = 11245644.

The previous prime is 11254363. The next prime is 11254447. The reversal of 11254421 is 12445211.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12445211 = 439 ⋅28349.

It is a cyclic number.

It is not a de Polignac number, because 11254421 - 2¹⁰ = 11253397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11254393 and 11254402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11254021) 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, 2051 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (2815800).

Almost surely, 2^11254421 is an apocalyptic number.

It is an amenable number.

11254421 is a deficient number, since it is larger than the sum of its proper divisors (8779).

11254421 is an equidigital number, since it uses as much as digits as its factorization.

11254421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8778.

The product of its digits is 320, while the sum is 20.

The square root of 11254421 is about 3354.7609452836. The cubic root of 11254421 is about 224.0995850252.

Adding to 11254421 its reverse (12445211), we get a palindrome (23699632).

The spelling of 11254421 in words is "eleven million, two hundred fifty-four thousand, four hundred twenty-one".