2528018 has 4 divisors (see below), whose sum is σ = 3792030. Its totient is φ = 1264008.

The previous prime is 2528011. The next prime is 2528021. The reversal of 2528018 is 8108252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2362369 + 165649 = 1537^2 + 407^2 .

It is not an unprimeable number, because it can be changed into a prime (2528011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632003 + ... + 632006.

2^2528018 is an apocalyptic number.

2528018 is a deficient number, since it is larger than the sum of its proper divisors (1264012).

2528018 is a wasteful number, since it uses less digits than its factorization.

2528018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264011.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 2528018 is about 1589.9742136274. The cubic root of 2528018 is about 136.2260154735.

The spelling of 2528018 in words is "two million, five hundred twenty-eight thousand, eighteen".