28541042 has 4 divisors (see below), whose sum is σ = 42811566. Its totient is φ = 14270520.

The previous prime is 28541039. The next prime is 28541053. The reversal of 28541042 is 24014582.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24014582 = 2 ⋅12007291.

It can be written as a sum of positive squares in only one way, i.e., 25411681 + 3129361 = 5041^2 + 1769^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7135259 + ... + 7135262.

Almost surely, 2^28541042 is an apocalyptic number.

28541042 is a deficient number, since it is larger than the sum of its proper divisors (14270524).

28541042 is a wasteful number, since it uses less digits than its factorization.

28541042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14270523.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 28541042 is about 5342.3816786149. The cubic root of 28541042 is about 305.6022927859.

The spelling of 28541042 in words is "twenty-eight million, five hundred forty-one thousand, forty-two".