2528653 has 4 divisors (see below), whose sum is σ = 2661760. Its totient is φ = 2395548.

The previous prime is 2528651. The next prime is 2528657. The reversal of 2528653 is 3568252.

It is a happy number.

2528653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2528653 - 2¹ = 2528651 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 5² + 2²¹ + 8² + 6⁵ + 5⁸ + 3⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66525 + ... + 66562.

It is an arithmetic number, because the mean of its divisors is an integer number (665440).

2^2528653 is an apocalyptic number.

It is an amenable number.

2528653 is a deficient number, since it is larger than the sum of its proper divisors (133107).

2528653 is a wasteful number, since it uses less digits than its factorization.

2528653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133106.

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

The square root of 2528653 is about 1590.1738898624. The cubic root of 2528653 is about 136.2374204922.

The spelling of 2528653 in words is "two million, five hundred twenty-eight thousand, six hundred fifty-three".