5205124647 has 12 divisors (see below), whose sum is σ = 7660372824. Its totient is φ = 3404609520.

The previous prime is 5205124643. The next prime is 5205124697. The reversal of 5205124647 is 7464215025.

It is a happy number.

5205124647 is a `hidden beast` number, since 5 + 2 + 0 + 5 + 1 + 2 + 4 + 647 = 666.

It is not a de Polignac number, because 5205124647 - 2² = 5205124643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205124643) 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, 5455629 + ... + 5456582.

It is an arithmetic number, because the mean of its divisors is an integer number (638364402).

Almost surely, 2^5205124647 is an apocalyptic number.

5205124647 is a deficient number, since it is larger than the sum of its proper divisors (2455248177).

5205124647 is a wasteful number, since it uses less digits than its factorization.

5205124647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10912270 (or 10912267 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 5205124647 is about 72146.5497927656. The cubic root of 5205124647 is about 1733.0471481369.

The spelling of 5205124647 in words is "five billion, two hundred five million, one hundred twenty-four thousand, six hundred forty-seven".