5205124648 has 8 divisors (see below), whose sum is σ = 9759608730. Its totient is φ = 2602562320.

The previous prime is 5205124643. The next prime is 5205124697. The reversal of 5205124648 is 8464215025.

It can be written as a sum of positive squares in only one way, i.e., 4922144964 + 282979684 = 70158^2 + 16822^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 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 as a sum of consecutive naturals, namely, 325320283 + ... + 325320298.

Almost surely, 2^5205124648 is an apocalyptic number.

It is an amenable number.

5205124648 is a deficient number, since it is larger than the sum of its proper divisors (4554484082).

5205124648 is a wasteful number, since it uses less digits than its factorization.

5205124648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650640587 (or 650640583 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 5205124648 is about 72146.5497996959. The cubic root of 5205124648 is about 1733.0471482479.

The spelling of 5205124648 in words is "five billion, two hundred five million, one hundred twenty-four thousand, six hundred forty-eight".