2528369 has 4 divisors (see below), whose sum is σ = 2532720. Its totient is φ = 2524020.

The previous prime is 2528353. The next prime is 2528371. The reversal of 2528369 is 9638252.

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 not a de Polignac number, because 2528369 - 2⁴ = 2528353 is a prime.

It is a super-2 number, since 2×2528369² = 12785299600322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁷ + 5 + 2²¹ + 8³ + 3⁹ + 6⁷ + 9 .

It is a Duffinian number.

It is a Curzon number.

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, 1139 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (633180).

2^2528369 is an apocalyptic number.

It is an amenable number.

2528369 is a deficient number, since it is larger than the sum of its proper divisors (4351).

2528369 is an equidigital number, since it uses as much as digits as its factorization.

2528369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350.

The product of its digits is 25920, while the sum is 35.

The square root of 2528369 is about 1590.0845889449. The cubic root of 2528369 is about 136.2323199010.

It can be divided in two parts, 25283 and 69, that added together give a palindrome (25352).

The spelling of 2528369 in words is "two million, five hundred twenty-eight thousand, three hundred sixty-nine".