5120647537 has 8 divisors (see below), whose sum is σ = 5608823400. Its totient is φ = 4653245184.

The previous prime is 5120647531. The next prime is 5120647541. The reversal of 5120647537 is 7357460215.

It can be written as a sum of positive squares in 4 ways, for example, as 1697110416 + 3423537121 = 41196^2 + 58511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5120647537 - 2³ = 5120647529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5120647537.

It is not an unprimeable number, because it can be changed into a prime (5120647531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5192862 + ... + 5193847.

It is an arithmetic number, because the mean of its divisors is an integer number (701102925).

Almost surely, 2^5120647537 is an apocalyptic number.

It is an amenable number.

5120647537 is a deficient number, since it is larger than the sum of its proper divisors (488175863).

5120647537 is a wasteful number, since it uses less digits than its factorization.

5120647537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10386755.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 5120647537 is about 71558.6999392806. The cubic root of 5120647537 is about 1723.6204091801.

The spelling of 5120647537 in words is "five billion, one hundred twenty million, six hundred forty-seven thousand, five hundred thirty-seven".