4265421 has 8 divisors (see below), whose sum is σ = 5772384. Its totient is φ = 2801040.

The previous prime is 4265413. The next prime is 4265431. The reversal of 4265421 is 1245624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4265421 - 2³ = 4265413 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4265391 and 4265400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4265431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10410 + ... + 10811.

It is an arithmetic number, because the mean of its divisors is an integer number (721548).

Almost surely, 2^4265421 is an apocalyptic number.

It is an amenable number.

4265421 is a deficient number, since it is larger than the sum of its proper divisors (1506963).

4265421 is a wasteful number, since it uses less digits than its factorization.

4265421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21291.

The product of its digits is 1920, while the sum is 24.

The square root of 4265421 is about 2065.2895680751. The cubic root of 4265421 is about 162.1762675200.

The spelling of 4265421 in words is "four million, two hundred sixty-five thousand, four hundred twenty-one".