8725216251 has 16 divisors (see below), whose sum is σ = 11757892608. Its totient is φ = 5754720000.

The previous prime is 8725216243. The next prime is 8725216307. The reversal of 8725216251 is 1526125278.

It is not a de Polignac number, because 8725216251 - 2³ = 8725216243 is a prime.

It is a super-2 number, since 2×8725216251² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8725211251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379386 + ... + 1385696.

It is an arithmetic number, because the mean of its divisors is an integer number (734868288).

Almost surely, 2^8725216251 is an apocalyptic number.

8725216251 is a deficient number, since it is larger than the sum of its proper divisors (3032676357).

8725216251 is a wasteful number, since it uses less digits than its factorization.

8725216251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11162.

The product of its digits is 67200, while the sum is 39.

The square root of 8725216251 is about 93408.8660192382. The cubic root of 8725216251 is about 2058.6952691793.

The spelling of 8725216251 in words is "eight billion, seven hundred twenty-five million, two hundred sixteen thousand, two hundred fifty-one".