2544429 has 4 divisors (see below), whose sum is σ = 3392576. Its totient is φ = 1696284.

The previous prime is 2544403. The next prime is 2544457. The reversal of 2544429 is 9244452.

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 not a de Polignac number, because 2544429 - 2⁷ = 2544301 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2544396 and 2544405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544469) 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, 424069 + ... + 424074.

It is an arithmetic number, because the mean of its divisors is an integer number (848144).

2^2544429 is an apocalyptic number.

It is an amenable number.

2544429 is a deficient number, since it is larger than the sum of its proper divisors (848147).

2544429 is an equidigital number, since it uses as much as digits as its factorization.

2544429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848146.

The product of its digits is 11520, while the sum is 30.

The square root of 2544429 is about 1595.1266407405. The cubic root of 2544429 is about 136.5201569610.

The spelling of 2544429 in words is "two million, five hundred forty-four thousand, four hundred twenty-nine".