2569429 has 8 divisors (see below), whose sum is σ = 2724120. Its totient is φ = 2419200.

The previous prime is 2569423. The next prime is 2569439. The reversal of 2569429 is 9249652.

It can be written as a sum of positive squares in 4 ways, for example, as 88804 + 2480625 = 298^2 + 1575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2569429 - 2³ = 2569421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (340515).

2^2569429 is an apocalyptic number.

2569429 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2569429 is a deficient number, since it is larger than the sum of its proper divisors (154691).

2569429 is a wasteful number, since it uses less digits than its factorization.

2569429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231.

The product of its digits is 38880, while the sum is 37.

The square root of 2569429 is about 1602.9438542881. The cubic root of 2569429 is about 136.9658216550.

The spelling of 2569429 in words is "two million, five hundred sixty-nine thousand, four hundred twenty-nine".