3161065 has 8 divisors (see below), whose sum is σ = 4016520. Its totient is φ = 2380032.

The previous prime is 3161057. The next prime is 3161071. The reversal of 3161065 is 5601613.

It can be written as a sum of positive squares in 4 ways, for example, as 1281424 + 1879641 = 1132^2 + 1371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3161065 - 2³ = 3161057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18510 + ... + 18679.

It is an arithmetic number, because the mean of its divisors is an integer number (502065).

Almost surely, 2^3161065 is an apocalyptic number.

It is an amenable number.

3161065 is a deficient number, since it is larger than the sum of its proper divisors (855455).

3161065 is a wasteful number, since it uses less digits than its factorization.

3161065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37211.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3161065 is about 1777.9384128816. The cubic root of 3161065 is about 146.7611621304.

Adding to 3161065 its reverse (5601613), we get a palindrome (8762678).

The spelling of 3161065 in words is "three million, one hundred sixty-one thousand, sixty-five".