2528635 has 4 divisors (see below), whose sum is σ = 3034368. Its totient is φ = 2022904.

The previous prime is 2528629. The next prime is 2528651. The reversal of 2528635 is 5368252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2528635 - 2³ = 2528627 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2⁴ + 5⁸ + 2¹³ + 8³ + 6⁸ + 3¹⁰ + 5⁸ .

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2528597 and 2528606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252859 + ... + 252868.

It is an arithmetic number, because the mean of its divisors is an integer number (758592).

2^2528635 is an apocalyptic number.

2528635 is a deficient number, since it is larger than the sum of its proper divisors (505733).

2528635 is an equidigital number, since it uses as much as digits as its factorization.

2528635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505732.

The product of its digits is 14400, while the sum is 31.

The square root of 2528635 is about 1590.1682300939. The cubic root of 2528635 is about 136.2370972267.

The spelling of 2528635 in words is "two million, five hundred twenty-eight thousand, six hundred thirty-five".