2528297 has 4 divisors (see below), whose sum is σ = 2537220. Its totient is φ = 2519376.

The previous prime is 2528269. The next prime is 2528299. The reversal of 2528297 is 7928252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2202256 + 326041 = 1484^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 2528297 - 2⁶ = 2528233 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 5² + 2¹⁹ + 8² + 2²⁰ + 9³ + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528299) 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, 4022 + ... + 4607.

It is an arithmetic number, because the mean of its divisors is an integer number (634305).

2^2528297 is an apocalyptic number.

It is an amenable number.

2528297 is a deficient number, since it is larger than the sum of its proper divisors (8923).

2528297 is an equidigital number, since it uses as much as digits as its factorization.

2528297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922.

The product of its digits is 20160, while the sum is 35.

The square root of 2528297 is about 1590.0619484787. The cubic root of 2528297 is about 136.2310267327.

The spelling of 2528297 in words is "two million, five hundred twenty-eight thousand, two hundred ninety-seven".