2528715 has 16 divisors (see below), whose sum is σ = 4624128. Its totient is φ = 1155936.

The previous prime is 2528707. The next prime is 2528717. The reversal of 2528715 is 5178252.

It is not a de Polignac number, because 2528715 - 2³ = 2528707 is a prime.

2528715 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2528717) 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, 11937 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (289008).

2^2528715 is an apocalyptic number.

2528715 is a deficient number, since it is larger than the sum of its proper divisors (2095413).

2528715 is a wasteful number, since it uses less digits than its factorization.

2528715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24098.

The product of its digits is 5600, while the sum is 30.

The square root of 2528715 is about 1590.1933844662. The cubic root of 2528715 is about 136.2385339508.

The spelling of 2528715 in words is "two million, five hundred twenty-eight thousand, seven hundred fifteen".