28525526253 has 144 divisors (see below), whose sum is σ = 52387395840. Its totient is φ = 14859936000.

The previous prime is 28525526243. The next prime is 28525526257. The reversal of 28525526253 is 35262552582.

28525526253 is a `hidden beast` number, since 2 + 85 + 25 + 526 + 25 + 3 = 666.

It is not a de Polignac number, because 28525526253 - 2⁶ = 28525526189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28525526199 and 28525526208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28525526257) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 31311868 + ... + 31312778.

It is an arithmetic number, because the mean of its divisors is an integer number (363801360).

Almost surely, 2^28525526253 is an apocalyptic number.

It is an amenable number.

28525526253 is a deficient number, since it is larger than the sum of its proper divisors (23861869587).

28525526253 is a wasteful number, since it uses less digits than its factorization.

28525526253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1078 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The spelling of 28525526253 in words is "twenty-eight billion, five hundred twenty-five million, five hundred twenty-six thousand, two hundred fifty-three".