25175240452 has 12 divisors (see below), whose sum is σ = 44074164316. Its totient is φ = 12582622080.

The previous prime is 25175240393. The next prime is 25175240459. The reversal of 25175240452 is 25404257152.

It can be written as a sum of positive squares in 2 ways, for example, as 2620006596 + 22555233856 = 51186^2 + 150184^2 .

It is not an unprimeable number, because it can be changed into a prime (25175240459) 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 in 3 ways as a sum of consecutive naturals, for example, 1238193 + ... + 1258360.

Almost surely, 2^25175240452 is an apocalyptic number.

It is an amenable number.

25175240452 is a deficient number, since it is larger than the sum of its proper divisors (18898923864).

25175240452 is a wasteful number, since it uses less digits than its factorization.

25175240452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499078 (or 2499076 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 37.

The spelling of 25175240452 in words is "twenty-five billion, one hundred seventy-five million, two hundred forty thousand, four hundred fifty-two".