2528329 has 4 divisors (see below), whose sum is σ = 2609920. Its totient is φ = 2446740.

The previous prime is 2528299. The next prime is 2528353. The reversal of 2528329 is 9238252.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2528329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 81559 = 2528329 / (2 + 5 + 2 + 8 + 3 + 2 + 9).

It is a d-powerful number, because it can be written as 2⁴ + 5⁹ + 2¹⁷ + 8⁴ + 3¹¹ + 2¹⁸ + 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 2528329.

It is not an unprimeable number, because it can be changed into a prime (2528399) 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, 40749 + ... + 40810.

It is an arithmetic number, because the mean of its divisors is an integer number (652480).

2^2528329 is an apocalyptic number.

It is an amenable number.

2528329 is a deficient number, since it is larger than the sum of its proper divisors (81591).

2528329 is an equidigital number, since it uses as much as digits as its factorization.

2528329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81590.

The product of its digits is 8640, while the sum is 31.

The square root of 2528329 is about 1590.0720109479. The cubic root of 2528329 is about 136.2316014772.

The spelling of 2528329 in words is "two million, five hundred twenty-eight thousand, three hundred twenty-nine".