2254639 has 4 divisors (see below), whose sum is σ = 2260440. Its totient is φ = 2248840.

The previous prime is 2254627. The next prime is 2254643. The reversal of 2254639 is 9364522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9364522 = 2 ⋅4682261.

It is a cyclic number.

It is not a de Polignac number, because 2254639 - 2⁵ = 2254607 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁹ + 5³ + 4⁶ + 6 + 3¹³ + 9³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2254639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254649) 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, 2272 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (565110).

2^2254639 is an apocalyptic number.

2254639 is a deficient number, since it is larger than the sum of its proper divisors (5801).

2254639 is an equidigital number, since it uses as much as digits as its factorization.

2254639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800.

The product of its digits is 12960, while the sum is 31.

The square root of 2254639 is about 1501.5455371050. The cubic root of 2254639 is about 131.1270643286.

The spelling of 2254639 in words is "two million, two hundred fifty-four thousand, six hundred thirty-nine".