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2453 = 11223

2453 has 4 divisors (see below), whose sum is σ = 2688. Its totient is φ = 2220.

The previous prime is 2447. The next prime is 2459. The reversal of 2453 is 3542.

Added to its reverse (3542) it gives a triangular number (5995 = T109).

2453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2447) and next prime (2459).

It is a cyclic number.

It is not a de Polignac number, because 2453 - 24 = 2437 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2459) 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, 101 + ... + 122.

It is an arithmetic number, because the mean of its divisors is an integer number (672).

It is an amenable number.

2453 is a deficient number, since it is larger than the sum of its proper divisors (235).

2453 is a wasteful number, since it uses less digits than its factorization.

2453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234.

The product of its digits is 120, while the sum is 14.

The square root of 2453 is about 49.5277699882. The cubic root of 2453 is about 13.4864977025.

Adding to 2453 its reverse (3542), we get a palindrome (5995).

Subtracting 2453 from its reverse (3542), we obtain a square (1089 = 332).

It can be divided in two parts, 24 and 53, that added together give a palindrome (77).

The spelling of 2453 in words is "two thousand, four hundred fifty-three".

Divisors: 1 11 223 2453