2543250 has 32 divisors (see below), whose sum is σ = 6349824. Its totient is φ = 678000.

The previous prime is 2543249. The next prime is 2543257. The reversal of 2543250 is 523452.

2543250 = 76² + 77² + ... + 200².

2543250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×2543250⁴ (a number of 27 digits) contains 4444 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2543257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (198432).

2^2543250 is an apocalyptic number.

2543250 is an abundant number, since it is smaller than the sum of its proper divisors (3806574).

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

2543250 is a wasteful number, since it uses less digits than its factorization.

2543250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411 (or 3401 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2543250 is about 1594.7570347862. The cubic root of 2543250 is about 136.4990674707.

The spelling of 2543250 in words is "two million, five hundred forty-three thousand, two hundred fifty".