28524250043 has 4 divisors (see below), whose sum is σ = 28526150328. Its totient is φ = 28522349760.

The previous prime is 28524250033. The next prime is 28524250057. The reversal of 28524250043 is 34005242582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28524250043 - 2²⁰ = 28523201467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28524249985 and 28524250012.

It is not an unprimeable number, because it can be changed into a prime (28524250033) 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, 927446 + ... + 957707.

It is an arithmetic number, because the mean of its divisors is an integer number (7131537582).

Almost surely, 2^28524250043 is an apocalyptic number.

28524250043 is a deficient number, since it is larger than the sum of its proper divisors (1900285).

28524250043 is a wasteful number, since it uses less digits than its factorization.

28524250043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900284.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 28524250043 in words is "twenty-eight billion, five hundred twenty-four million, two hundred fifty thousand, forty-three".