2253421 has 8 divisors (see below), whose sum is σ = 2345984. Its totient is φ = 2162160.

The previous prime is 2253409. The next prime is 2253439. The reversal of 2253421 is 1243522.

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

It is a cyclic number.

It is not a de Polignac number, because 2253421 - 2⁵ = 2253389 is a prime.

It is a super-5 number, since 5×2253421⁵ (a number of 33 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253451) 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, 4636 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (293248).

2^2253421 is an apocalyptic number.

It is an amenable number.

2253421 is a deficient number, since it is larger than the sum of its proper divisors (92563).

2253421 is a wasteful number, since it uses less digits than its factorization.

2253421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651.

The product of its digits is 480, while the sum is 19.

The square root of 2253421 is about 1501.1399002092. The cubic root of 2253421 is about 131.1034476087.

Adding to 2253421 its reverse (1243522), we get a palindrome (3496943).

The spelling of 2253421 in words is "two million, two hundred fifty-three thousand, four hundred twenty-one".