28525252582 has 4 divisors (see below), whose sum is σ = 42787878876. Its totient is φ = 14262626290.

The previous prime is 28525252537. The next prime is 28525252597.

28525252582 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7131313144 + ... + 7131313147.

It is an arithmetic number, because the mean of its divisors is an integer number (10696969719).

Almost surely, 2^28525252582 is an apocalyptic number.

28525252582 is a deficient number, since it is larger than the sum of its proper divisors (14262626294).

28525252582 is a wasteful number, since it uses less digits than its factorization.

28525252582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262626293.

The product of its digits is 1280000, while the sum is 46.

The spelling of 28525252582 in words is "twenty-eight billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred eighty-two".