25294276133 has 12 divisors (see below), whose sum is σ = 29435606892. Its totient is φ = 21672221760.

The previous prime is 25294276079. The next prime is 25294276157. The reversal of 25294276133 is 33167249252.

It can be written as a sum of positive squares in 2 ways, for example, as 16461659809 + 8832616324 = 128303^2 + 93982^2 .

It is not a de Polignac number, because 25294276133 - 2²⁶ = 25227167269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25294876133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24353 + ... + 226233.

It is an arithmetic number, because the mean of its divisors is an integer number (2452967241).

Almost surely, 2^25294276133 is an apocalyptic number.

It is an amenable number.

25294276133 is a deficient number, since it is larger than the sum of its proper divisors (4141330759).

25294276133 is a wasteful number, since it uses less digits than its factorization.

25294276133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204452 (or 204445 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The spelling of 25294276133 in words is "twenty-five billion, two hundred ninety-four million, two hundred seventy-six thousand, one hundred thirty-three".