1543054 has 4 divisors (see below), whose sum is σ = 2314584. Its totient is φ = 771526.

The previous prime is 1543051. The next prime is 1543063. The reversal of 1543054 is 4503451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4503451 = 547 ⋅8233.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385762 + ... + 385765.

It is an arithmetic number, because the mean of its divisors is an integer number (578646).

2^1543054 is an apocalyptic number.

1543054 is a deficient number, since it is larger than the sum of its proper divisors (771530).

1543054 is an equidigital number, since it uses as much as digits as its factorization.

1543054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771529.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1543054 is about 1242.1972468171. The cubic root of 1543054 is about 115.5563214255.

The spelling of 1543054 in words is "one million, five hundred forty-three thousand, fifty-four".