8461577 has 2 divisors, whose sum is σ = 8461578. Its totient is φ = 8461576.

The previous prime is 8461571. The next prime is 8461613. The reversal of 8461577 is 7751648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8202496 + 259081 = 2864^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 8461577 - 2⁶ = 8461513 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8461577.

It is not a weakly prime, because it can be changed into another prime (8461571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230788 + 4230789.

It is an arithmetic number, because the mean of its divisors is an integer number (4230789).

Almost surely, 2^8461577 is an apocalyptic number.

It is an amenable number.

8461577 is a deficient number, since it is larger than the sum of its proper divisors (1).

8461577 is an equidigital number, since it uses as much as digits as its factorization.

8461577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 38.

The square root of 8461577 is about 2908.8789937019. The cubic root of 8461577 is about 203.7747818854.

The spelling of 8461577 in words is "eight million, four hundred sixty-one thousand, five hundred seventy-seven".