2257603 has 4 divisors (see below), whose sum is σ = 2261880. Its totient is φ = 2253328.

The previous prime is 2257597. The next prime is 2257609. The reversal of 2257603 is 3067522.

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

It is an interprime number because it is at equal distance from previous prime (2257597) and next prime (2257609).

It is a cyclic number.

It is not a de Polignac number, because 2257603 - 2⁵ = 2257571 is a prime.

It is a d-powerful number, because it can be written as 2¹² + 2¹⁶ + 5⁸ + 7⁶ + 6⁸ + 0 + 3⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257609) 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, 1213 + ... + 2446.

It is an arithmetic number, because the mean of its divisors is an integer number (565470).

2^2257603 is an apocalyptic number.

2257603 is a deficient number, since it is larger than the sum of its proper divisors (4277).

2257603 is an equidigital number, since it uses as much as digits as its factorization.

2257603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2257603 is about 1502.5321959945. The cubic root of 2257603 is about 131.1845000465.

The spelling of 2257603 in words is "two million, two hundred fifty-seven thousand, six hundred three".