2528745 has 16 divisors (see below), whose sum is σ = 4067712. Its totient is φ = 1341440.

The previous prime is 2528717. The next prime is 2528777. The reversal of 2528745 is 5478252.

It is not a de Polignac number, because 2528745 - 2⁸ = 2528489 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 5³ + 2¹⁹ + 8⁵ + 7 + 4⁷ + 5⁹ .

2528745 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3625 + ... + 4265.

It is an arithmetic number, because the mean of its divisors is an integer number (254232).

2^2528745 is an apocalyptic number.

It is an amenable number.

2528745 is a deficient number, since it is larger than the sum of its proper divisors (1538967).

2528745 is a wasteful number, since it uses less digits than its factorization.

2528745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its digits is 22400, while the sum is 33.

The square root of 2528745 is about 1590.2028172532. The cubic root of 2528745 is about 136.2390727145.

The spelling of 2528745 in words is "two million, five hundred twenty-eight thousand, seven hundred forty-five".