2604453 has 4 divisors (see below), whose sum is σ = 3472608. Its totient is φ = 1736300.

The previous prime is 2604439. The next prime is 2604499. The reversal of 2604453 is 3544062.

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 a cyclic number.

It is not a de Polignac number, because 2604453 - 2¹⁰ = 2603429 is a prime.

It is a D-number.

2604453 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604053) 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, 434073 + ... + 434078.

It is an arithmetic number, because the mean of its divisors is an integer number (868152).

2^2604453 is an apocalyptic number.

It is an amenable number.

2604453 is a deficient number, since it is larger than the sum of its proper divisors (868155).

2604453 is an equidigital number, since it uses as much as digits as its factorization.

2604453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868154.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2604453 is about 1613.8317756198. The cubic root of 2604453 is about 137.5853442623.

The spelling of 2604453 in words is "two million, six hundred four thousand, four hundred fifty-three".