2563429 has 8 divisors (see below), whose sum is σ = 2808288. Its totient is φ = 2320560.

The previous prime is 2563417. The next prime is 2563433. The reversal of 2563429 is 9243652.

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

It is not a de Polignac number, because 2563429 - 2¹⁷ = 2432357 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 5⁹ + 6² + 3⁹ + 4⁸ + 2¹⁹ + 9³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2563429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563409) 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, 4074 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (351036).

2^2563429 is an apocalyptic number.

It is an amenable number.

2563429 is a deficient number, since it is larger than the sum of its proper divisors (244859).

2563429 is a wasteful number, since it uses less digits than its factorization.

2563429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its digits is 12960, while the sum is 31.

The square root of 2563429 is about 1601.0712039132. The cubic root of 2563429 is about 136.8591266873.

It can be divided in two parts, 2563 and 429, that added together give a palindrome (2992).

The spelling of 2563429 in words is "two million, five hundred sixty-three thousand, four hundred twenty-nine".