3161061 has 6 divisors (see below), whose sum is σ = 4565990. Its totient is φ = 2107368.

The previous prime is 3161057. The next prime is 3161071. The reversal of 3161061 is 1601613.

It can be written as a sum of positive squares in only one way, i.e., 2268036 + 893025 = 1506^2 + 945^2 .

It is not a de Polignac number, because 3161061 - 2² = 3161057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175606 + ... + 175623.

Almost surely, 2^3161061 is an apocalyptic number.

It is an amenable number.

3161061 is a deficient number, since it is larger than the sum of its proper divisors (1404929).

3161061 is a wasteful number, since it uses less digits than its factorization.

3161061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351235 (or 351232 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3161061 is about 1777.9372879829. The cubic root of 3161061 is about 146.7611002267.

Adding to 3161061 its reverse (1601613), we get a palindrome (4762674).

The spelling of 3161061 in words is "three million, one hundred sixty-one thousand, sixty-one".