2543625 has 96 divisors (see below), whose sum is σ = 5840640. Its totient is φ = 1036800.

The previous prime is 2543623. The next prime is 2543633. The reversal of 2543625 is 5263452.

It is not a de Polignac number, because 2543625 - 2¹ = 2543623 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 5³ + 4⁸ + 3 + 6² + 2¹⁹ + 5⁹ .

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2543621) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 133866 + ... + 133884.

It is an arithmetic number, because the mean of its divisors is an integer number (60840).

2^2543625 is an apocalyptic number.

2543625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2543625 is an abundant number, since it is smaller than the sum of its proper divisors (3297015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543625 is a wasteful number, since it uses less digits than its factorization.

2543625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 51 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2543625 is about 1594.8746032212. The cubic root of 2543625 is about 136.5057760306.

The spelling of 2543625 in words is "two million, five hundred forty-three thousand, six hundred twenty-five".