2528743 has 6 divisors (see below), whose sum is σ = 2941656. Its totient is φ = 2167452.

The previous prime is 2528717. The next prime is 2528777. The reversal of 2528743 is 3478252.

It is not a de Polignac number, because 2528743 - 2⁹ = 2528231 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁹ + 2¹⁹ + 8⁵ + 7² + 4⁷ + 3⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25755 + ... + 25852.

It is an arithmetic number, because the mean of its divisors is an integer number (490276).

2^2528743 is an apocalyptic number.

2528743 is a deficient number, since it is larger than the sum of its proper divisors (412913).

2528743 is an equidigital number, since it uses as much as digits as its factorization.

2528743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51621 (or 51614 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 2528743 is about 1590.2021884025. The cubic root of 2528743 is about 136.2390367971.

The spelling of 2528743 in words is "two million, five hundred twenty-eight thousand, seven hundred forty-three".