4275421 has 4 divisors (see below), whose sum is σ = 4285600. Its totient is φ = 4265244.

The previous prime is 4275419. The next prime is 4275451. The reversal of 4275421 is 1245724.

4275421 is nontrivially palindromic in base 12.

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 cyclic number.

It is not a de Polignac number, because 4275421 - 2¹ = 4275419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4275451) 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, 4431 + ... + 5308.

It is an arithmetic number, because the mean of its divisors is an integer number (1071400).

Almost surely, 2^4275421 is an apocalyptic number.

It is an amenable number.

4275421 is a deficient number, since it is larger than the sum of its proper divisors (10179).

4275421 is an equidigital number, since it uses as much as digits as its factorization.

4275421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10178.

The product of its digits is 2240, while the sum is 25.

The square root of 4275421 is about 2067.7091188076. The cubic root of 4275421 is about 162.3029058168.

The spelling of 4275421 in words is "four million, two hundred seventy-five thousand, four hundred twenty-one".