61095161 has 4 divisors (see below), whose sum is σ = 64689012. Its totient is φ = 57501312.

The previous prime is 61095121. The next prime is 61095169. The reversal of 61095161 is 16159016.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19891600 + 41203561 = 4460^2 + 6419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61095161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61095169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796900 + ... + 1796933.

It is an arithmetic number, because the mean of its divisors is an integer number (16172253).

Almost surely, 2^61095161 is an apocalyptic number.

It is an amenable number.

61095161 is a deficient number, since it is larger than the sum of its proper divisors (3593851).

61095161 is a wasteful number, since it uses less digits than its factorization.

61095161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593850.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 61095161 is about 7816.3393605959. The cubic root of 61095161 is about 393.8543119619.

The spelling of 61095161 in words is "sixty-one million, ninety-five thousand, one hundred sixty-one".