2528445 has 16 divisors (see below), whose sum is σ = 4115520. Its totient is φ = 1325184.

The previous prime is 2528441. The next prime is 2528479. The reversal of 2528445 is 5448252.

It is not a de Polignac number, because 2528445 - 2² = 2528441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (257220).

2^2528445 is an apocalyptic number.

It is an amenable number.

2528445 is a deficient number, since it is larger than the sum of its proper divisors (1587075).

2528445 is a wasteful number, since it uses less digits than its factorization.

2528445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924.

The product of its digits is 12800, while the sum is 30.

The square root of 2528445 is about 1590.1084868650. The cubic root of 2528445 is about 136.2336848854.

The spelling of 2528445 in words is "two million, five hundred twenty-eight thousand, four hundred forty-five".