8047540225 has 12 divisors (see below), whose sum is σ = 9987823660. Its totient is φ = 6432307200.

The previous prime is 8047540181. The next prime is 8047540243. The reversal of 8047540225 is 5220457408.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3139697089 + 4907843136 = 56033^2 + 70056^2 .

It is not a de Polignac number, because 8047540225 - 2¹³ = 8047532033 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114336 + ... + 170785.

Almost surely, 2^8047540225 is an apocalyptic number.

It is an amenable number.

8047540225 is a deficient number, since it is larger than the sum of its proper divisors (1940283435).

8047540225 is a wasteful number, since it uses less digits than its factorization.

8047540225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286260 (or 286255 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 8047540225 is about 89708.0833871731. The cubic root of 8047540225 is about 2003.9538637465.

The spelling of 8047540225 in words is "eight billion, forty-seven million, five hundred forty thousand, two hundred twenty-five".