28250130526 has 4 divisors (see below), whose sum is σ = 42375195792. Its totient is φ = 14125065262.

The previous prime is 28250130521. The next prime is 28250130547. The reversal of 28250130526 is 62503105282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62503105282 = 2 ⋅31251552641.

It is a junction number, because it is equal to n+sod(n) for n = 28250130491 and 28250130500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28250130521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7062532630 + ... + 7062532633.

It is an arithmetic number, because the mean of its divisors is an integer number (10593798948).

Almost surely, 2^28250130526 is an apocalyptic number.

28250130526 is a deficient number, since it is larger than the sum of its proper divisors (14125065266).

28250130526 is a wasteful number, since it uses less digits than its factorization.

28250130526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14125065265.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 28250130526 in words is "twenty-eight billion, two hundred fifty million, one hundred thirty thousand, five hundred twenty-six".