2543274 has 24 divisors (see below), whose sum is σ = 5543460. Its totient is φ = 842688.

The previous prime is 2543257. The next prime is 2543279. The reversal of 2543274 is 4723452.

It can be written as a sum of positive squares in 2 ways, for example, as 2537649 + 5625 = 1593^2 + 75^2 .

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 (2543279) 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, 3814 + ... + 4430.

2^2543274 is an apocalyptic number.

2543274 is an abundant number, since it is smaller than the sum of its proper divisors (3000186).

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

2543274 is a wasteful number, since it uses less digits than its factorization.

2543274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 851 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 2543274 is about 1594.7645594256. The cubic root of 2543274 is about 136.4994968383.

The spelling of 2543274 in words is "two million, five hundred forty-three thousand, two hundred seventy-four".