2543275 has 12 divisors (see below), whose sum is σ = 3604432. Its totient is φ = 1743840.

The previous prime is 2543257. The next prime is 2543279. The reversal of 2543275 is 5723452.

It is not a de Polignac number, because 2543275 - 2¹⁵ = 2510507 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543279) 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 11 ways as a sum of consecutive naturals, for example, 7092 + ... + 7441.

2^2543275 is an apocalyptic number.

2543275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2543275 is a deficient number, since it is larger than the sum of its proper divisors (1061157).

2543275 is a wasteful number, since it uses less digits than its factorization.

2543275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14550 (or 14545 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 2543275 is about 1594.7648729515. The cubic root of 2543275 is about 136.4995147286.

The spelling of 2543275 in words is "two million, five hundred forty-three thousand, two hundred seventy-five".