8461913 has 2 divisors, whose sum is σ = 8461914. Its totient is φ = 8461912.

The previous prime is 8461909. The next prime is 8461951. The reversal of 8461913 is 3191648.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4897369 + 3564544 = 2213^2 + 1888^2 .

It is a cyclic number.

It is not a de Polignac number, because 8461913 - 2² = 8461909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8461913.

It is not a weakly prime, because it can be changed into another prime (8461513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230956 + 4230957.

It is an arithmetic number, because the mean of its divisors is an integer number (4230957).

Almost surely, 2^8461913 is an apocalyptic number.

It is an amenable number.

8461913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461913 is an equidigital number, since it uses as much as digits as its factorization.

8461913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 8461913 is about 2908.9367473357. The cubic root of 8461913 is about 203.7774790745. Note that the first 3 decimals are identical.

The spelling of 8461913 in words is "eight million, four hundred sixty-one thousand, nine hundred thirteen".