5210725391 has 8 divisors (see below), whose sum is σ = 5254380144. Its totient is φ = 5167249920.

The previous prime is 5210725379. The next prime is 5210725393. The reversal of 5210725391 is 1935270125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5210725391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5210725393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13871 + ... + 103023.

It is an arithmetic number, because the mean of its divisors is an integer number (656797518).

Almost surely, 2^5210725391 is an apocalyptic number.

5210725391 is a deficient number, since it is larger than the sum of its proper divisors (43654753).

5210725391 is a wasteful number, since it uses less digits than its factorization.

5210725391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89641.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 5210725391 is about 72185.3544079407. The cubic root of 5210725391 is about 1733.6685148854.

The spelling of 5210725391 in words is "five billion, two hundred ten million, seven hundred twenty-five thousand, three hundred ninety-one".