5641278025 has 12 divisors (see below), whose sum is σ = 7012641564. Its totient is φ = 4501760000.

The previous prime is 5641278023. The next prime is 5641278031. The reversal of 5641278025 is 5208721465.

It can be written as a sum of positive squares in 6 ways, for example, as 851530761 + 4789747264 = 29181^2 + 69208^2 .

It is not a de Polignac number, because 5641278025 - 2¹ = 5641278023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5641278023) 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, 271336 + ... + 291385.

It is an arithmetic number, because the mean of its divisors is an integer number (584386797).

Almost surely, 2^5641278025 is an apocalyptic number.

It is an amenable number.

5641278025 is a deficient number, since it is larger than the sum of its proper divisors (1371363539).

5641278025 is a wasteful number, since it uses less digits than its factorization.

5641278025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563132 (or 563127 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 5641278025 is about 75108.4417692179. The cubic root of 5641278025 is about 1780.1605318543.

The spelling of 5641278025 in words is "five billion, six hundred forty-one million, two hundred seventy-eight thousand, twenty-five".