2253733 has 4 divisors (see below), whose sum is σ = 2257740. Its totient is φ = 2249728.

The previous prime is 2253721. The next prime is 2253739. The reversal of 2253733 is 3373522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1760929 + 492804 = 1327^2 + 702^2 .

It is a 5-Lehmer number, since φ(2253733) divides (2253733-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 2253733 - 2⁹ = 2253221 is a prime.

It is a d-powerful number, because it can be written as 2⁶ + 2¹⁸ + 5⁸ + 3² + 7 + 3⁸ + 3¹³ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2253698 and 2253707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253739) 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, 988 + ... + 2341.

It is an arithmetic number, because the mean of its divisors is an integer number (564435).

2^2253733 is an apocalyptic number.

It is an amenable number.

2253733 is a deficient number, since it is larger than the sum of its proper divisors (4007).

2253733 is an equidigital number, since it uses as much as digits as its factorization.

2253733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006.

The product of its digits is 3780, while the sum is 25.

The square root of 2253733 is about 1501.2438176392. The cubic root of 2253733 is about 131.1094980224.

The spelling of 2253733 in words is "two million, two hundred fifty-three thousand, seven hundred thirty-three".