2528001 has 12 divisors (see below), whose sum is σ = 4173312. Its totient is φ = 1444536.

The previous prime is 2527997. The next prime is 2528003. The reversal of 2528001 is 1008252.

It is not a de Polignac number, because 2528001 - 2² = 2527997 is a prime.

2528001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2528003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20001 + ... + 20126.

It is an arithmetic number, because the mean of its divisors is an integer number (347776).

2^2528001 is an apocalyptic number.

2528001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2528001 is a deficient number, since it is larger than the sum of its proper divisors (1645311).

2528001 is a wasteful number, since it uses less digits than its factorization.

2528001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140 (or 40137 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2528001 is about 1589.9688676197. The cubic root of 2528001 is about 136.2257101160.

The spelling of 2528001 in words is "two million, five hundred twenty-eight thousand, one".