2504423 has 4 divisors (see below), whose sum is σ = 2651760. Its totient is φ = 2357088.

The previous prime is 2504417. The next prime is 2504429. The reversal of 2504423 is 3244052.

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 (2504417) and next prime (2504429).

It is a cyclic number.

It is not a de Polignac number, because 2504423 - 2⁴ = 2504407 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2504395 and 2504404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73643 + ... + 73676.

It is an arithmetic number, because the mean of its divisors is an integer number (662940).

2^2504423 is an apocalyptic number.

2504423 is a deficient number, since it is larger than the sum of its proper divisors (147337).

2504423 is a wasteful number, since it uses less digits than its factorization.

2504423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147336.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2504423 is about 1582.5368874058. The cubic root of 2504423 is about 135.8008728018.

Adding to 2504423 its reverse (3244052), we get a palindrome (5748475).

The spelling of 2504423 in words is "two million, five hundred four thousand, four hundred twenty-three".