2543554 has 8 divisors (see below), whose sum is σ = 4108860. Its totient is φ = 1173936.

The previous prime is 2543551. The next prime is 2543573. The reversal of 2543554 is 4553452.

It can be written as a sum of positive squares in 2 ways, for example, as 2512225 + 31329 = 1585^2 + 177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2543551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48889 + ... + 48940.

2^2543554 is an apocalyptic number.

2543554 is a deficient number, since it is larger than the sum of its proper divisors (1565306).

2543554 is a wasteful number, since it uses less digits than its factorization.

2543554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97844.

The product of its digits is 12000, while the sum is 28.

The square root of 2543554 is about 1594.8523442626. The cubic root of 2543554 is about 136.5045059272.

The spelling of 2543554 in words is "two million, five hundred forty-three thousand, five hundred fifty-four".