8461513 has 2 divisors, whose sum is σ = 8461514. Its totient is φ = 8461512.

The previous prime is 8461511. The next prime is 8461549. The reversal of 8461513 is 3151648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5745609 + 2715904 = 2397^2 + 1648^2 .

It is a cyclic number.

It is not a de Polignac number, because 8461513 - 2¹ = 8461511 is a prime.

Together with 8461511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8461511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230756 + 4230757.

It is an arithmetic number, because the mean of its divisors is an integer number (4230757).

Almost surely, 2^8461513 is an apocalyptic number.

It is an amenable number.

8461513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461513 is an equidigital number, since it uses as much as digits as its factorization.

8461513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 8461513 is about 2908.8679928797. The cubic root of 8461513 is about 203.7742681270.

The spelling of 8461513 in words is "eight million, four hundred sixty-one thousand, five hundred thirteen".