1542043 has 2 divisors, whose sum is σ = 1542044. Its totient is φ = 1542042.

The previous prime is 1542041. The next prime is 1542071. The reversal of 1542043 is 3402451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1542043 - 2¹ = 1542041 is a prime.

It is a super-2 number, since 2×1542043² = 4755793227698, which contains 22 as substring.

Together with 1542041, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1542043.

It is not a weakly prime, because it can be changed into another prime (1542041) 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 as a sum of consecutive naturals, namely, 771021 + 771022.

It is an arithmetic number, because the mean of its divisors is an integer number (771022).

2^1542043 is an apocalyptic number.

1542043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542043 is an equidigital number, since it uses as much as digits as its factorization.

1542043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1542043 is about 1241.7902399359. The cubic root of 1542043 is about 115.5310786353.

Adding to 1542043 its reverse (3402451), we get a palindrome (4944494).

It can be divided in two parts, 154 and 2043, that added together give a cube (2197 = 13³).

The spelling of 1542043 in words is "one million, five hundred forty-two thousand, forty-three".