2404553 has 4 divisors (see below), whose sum is σ = 2407680. Its totient is φ = 2401428.

The previous prime is 2404543. The next prime is 2404613. The reversal of 2404553 is 3554042.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2404553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2404543) 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, 488 + ... + 2246.

It is an arithmetic number, because the mean of its divisors is an integer number (601920).

2^2404553 is an apocalyptic number.

It is an amenable number.

2404553 is a deficient number, since it is larger than the sum of its proper divisors (3127).

2404553 is a wasteful number, since it uses less digits than its factorization.

2404553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2404553 is about 1550.6621166457. The cubic root of 2404553 is about 133.9712012070.

Adding to 2404553 its reverse (3554042), we get a palindrome (5958595).

The spelling of 2404553 in words is "two million, four hundred four thousand, five hundred fifty-three".