8201513 has 2 divisors, whose sum is σ = 8201514. Its totient is φ = 8201512.

The previous prime is 8201509. The next prime is 8201527. The reversal of 8201513 is 3151028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4804864 + 3396649 = 2192^2 + 1843^2 .

It is a cyclic number.

It is not a de Polignac number, because 8201513 - 2² = 8201509 is a prime.

It is equal to p₅₅₂₄₀₄ and since 8201513 and 552404 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (8201563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100756 + 4100757.

It is an arithmetic number, because the mean of its divisors is an integer number (4100757).

Almost surely, 2^8201513 is an apocalyptic number.

It is an amenable number.

8201513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8201513 is an equidigital number, since it uses as much as digits as its factorization.

8201513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 8201513 is about 2863.8283817296. The cubic root of 8201513 is about 201.6653692363.

It can be divided in two parts, 82015 and 13, that added together give a palindrome (82028).

The spelling of 8201513 in words is "eight million, two hundred one thousand, five hundred thirteen".