7611161 has 2 divisors, whose sum is σ = 7611162. Its totient is φ = 7611160.

The previous prime is 7611157. The next prime is 7611167. The reversal of 7611161 is 1611167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7595536 + 15625 = 2756^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 7611161 - 2² = 7611157 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7611167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3805580 + 3805581.

It is an arithmetic number, because the mean of its divisors is an integer number (3805581).

Almost surely, 2^7611161 is an apocalyptic number.

It is an amenable number.

7611161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7611161 is an equidigital number, since it uses as much as digits as its factorization.

7611161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 23.

The square root of 7611161 is about 2758.8332678870. The cubic root of 7611161 is about 196.7057112303.

The spelling of 7611161 in words is "seven million, six hundred eleven thousand, one hundred sixty-one".