8461161 has 12 divisors (see below), whose sum is σ = 12247092. Its totient is φ = 5629056.

The previous prime is 8461157. The next prime is 8461169. The reversal of 8461161 is 1611648.

It can be written as a sum of positive squares in 2 ways, for example, as 5433561 + 3027600 = 2331^2 + 1740^2 .

It is not a de Polignac number, because 8461161 - 2² = 8461157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8461169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7165 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (1020591).

Almost surely, 2^8461161 is an apocalyptic number.

It is an amenable number.

8461161 is a deficient number, since it is larger than the sum of its proper divisors (3785931).

8461161 is a wasteful number, since it uses less digits than its factorization.

8461161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1957 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 8461161 is about 2908.8074876141. The cubic root of 8461161 is about 203.7714424094.

The spelling of 8461161 in words is "eight million, four hundred sixty-one thousand, one hundred sixty-one".