25847314441 has 27 divisors (see below), whose sum is σ = 28521194709. Its totient is φ = 23413402272.

The previous prime is 25847314439. The next prime is 25847314453. The reversal of 25847314441 is 14441374852.

The square root of 25847314441 is 160771.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13988975625 + 11858338816 = 118275^2 + 108896^2 .

It is not a de Polignac number, because 25847314441 - 2¹ = 25847314439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25847314481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 173471835 + ... + 173471983.

Almost surely, 2^25847314441 is an apocalyptic number.

25847314441 is the 160771-st square number.

25847314441 is the 80386-th centered octagonal number.

It is an amenable number.

25847314441 is a deficient number, since it is larger than the sum of its proper divisors (2673880268).

25847314441 is an frugal number, since it uses more digits than its factorization.

25847314441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 245 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

It can be divided in two parts, 2584 and 7314441, that added together give a square (7317025 = 2705²).

The spelling of 25847314441 in words is "twenty-five billion, eight hundred forty-seven million, three hundred fourteen thousand, four hundred forty-one".