8130501 has 6 divisors (see below), whose sum is σ = 11744070. Its totient is φ = 5420328.

The previous prime is 8130449. The next prime is 8130509. The reversal of 8130501 is 1050318.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7568001 + 562500 = 2751^2 + 750^2 .

It is not a de Polignac number, because 8130501 - 2⁷ = 8130373 is a prime.

It is a super-2 number, since 2×8130501² = 132210093022002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130509) 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 5 ways as a sum of consecutive naturals, for example, 451686 + ... + 451703.

It is an arithmetic number, because the mean of its divisors is an integer number (1957345).

Almost surely, 2^8130501 is an apocalyptic number.

It is an amenable number.

8130501 is a deficient number, since it is larger than the sum of its proper divisors (3613569).

8130501 is a wasteful number, since it uses less digits than its factorization.

8130501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903395 (or 903392 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 8130501 is about 2851.4033387089. The cubic root of 8130501 is about 201.0816479759.

Adding to 8130501 its reverse (1050318), we get a palindrome (9180819).

The spelling of 8130501 in words is "eight million, one hundred thirty thousand, five hundred one".