2528145 has 32 divisors (see below), whose sum is σ = 4583040. Its totient is φ = 1321920.

The previous prime is 2528129. The next prime is 2528147. The reversal of 2528145 is 5418252.

It is a happy number.

It is not a de Polignac number, because 2528145 - 2⁴ = 2528129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2528147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8082 + ... + 8388.

It is an arithmetic number, because the mean of its divisors is an integer number (143220).

2^2528145 is an apocalyptic number.

It is an amenable number.

2528145 is a deficient number, since it is larger than the sum of its proper divisors (2054895).

2528145 is a wasteful number, since it uses less digits than its factorization.

2528145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 376 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2528145 is about 1590.0141508804. The cubic root of 2528145 is about 136.2282966300.

The spelling of 2528145 in words is "two million, five hundred twenty-eight thousand, one hundred forty-five".