8135801 has 2 divisors, whose sum is σ = 8135802. Its totient is φ = 8135800.

The previous prime is 8135797. The next prime is 8135821. The reversal of 8135801 is 1085318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6497401 + 1638400 = 2549^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 8135801 - 2² = 8135797 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8135821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4067900 + 4067901.

It is an arithmetic number, because the mean of its divisors is an integer number (4067901).

Almost surely, 2^8135801 is an apocalyptic number.

It is an amenable number.

8135801 is a deficient number, since it is larger than the sum of its proper divisors (1).

8135801 is an equidigital number, since it uses as much as digits as its factorization.

8135801 is an evil number, because the sum of its binary digits is even.

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

The square root of 8135801 is about 2852.3325542440. The cubic root of 8135801 is about 201.1253312719.

The spelling of 8135801 in words is "eight million, one hundred thirty-five thousand, eight hundred one".