2253745 has 8 divisors (see below), whose sum is σ = 2912616. Its totient is φ = 1664256.

The previous prime is 2253739. The next prime is 2253749. The reversal of 2253745 is 5473522.

It can be written as a sum of positive squares in 4 ways, for example, as 39601 + 2214144 = 199^2 + 1488^2 .

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 2253745 - 2⁷ = 2253617 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2253749) 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, 17272 + ... + 17401.

It is an arithmetic number, because the mean of its divisors is an integer number (364077).

2^2253745 is an apocalyptic number.

It is an amenable number.

2253745 is a deficient number, since it is larger than the sum of its proper divisors (658871).

2253745 is a wasteful number, since it uses less digits than its factorization.

2253745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34691.

The product of its digits is 8400, while the sum is 28.

The square root of 2253745 is about 1501.2478143198. The cubic root of 2253745 is about 131.1097307195.

The spelling of 2253745 in words is "two million, two hundred fifty-three thousand, seven hundred forty-five".