8210612501 has 64 divisors (see below), whose sum is σ = 10886400000. Its totient is φ = 6018195456.

The previous prime is 8210612491. The next prime is 8210612521. The reversal of 8210612501 is 1052160128.

It is not a de Polignac number, because 8210612501 - 2²⁶ = 8143503637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8210612521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6573125 + ... + 6574373.

It is an arithmetic number, because the mean of its divisors is an integer number (170100000).

Almost surely, 2^8210612501 is an apocalyptic number.

It is an amenable number.

8210612501 is a deficient number, since it is larger than the sum of its proper divisors (2675787499).

8210612501 is a wasteful number, since it uses less digits than its factorization.

8210612501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 8210612501 is about 90612.4301682722. The cubic root of 8210612501 is about 2017.3992360974.

Adding to 8210612501 its reverse (1052160128), we get a palindrome (9262772629).

The spelling of 8210612501 in words is "eight billion, two hundred ten million, six hundred twelve thousand, five hundred one".