3170081 has 4 divisors (see below), whose sum is σ = 3173700. Its totient is φ = 3166464.

The previous prime is 3170059. The next prime is 3170099. The reversal of 3170081 is 1800713.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 739600 + 2430481 = 860^2 + 1559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3170081 is a prime.

It is a super-2 number, since 2×3170081² = 20098827093122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3170051) 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, 425 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (793425).

Almost surely, 2^3170081 is an apocalyptic number.

It is an amenable number.

3170081 is a deficient number, since it is larger than the sum of its proper divisors (3619).

3170081 is a wasteful number, since it uses less digits than its factorization.

3170081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 3170081 is about 1780.4721283974. The cubic root of 3170081 is about 146.9005605733.

Adding to 3170081 its reverse (1800713), we get a palindrome (4970794).

The spelling of 3170081 in words is "three million, one hundred seventy thousand, eighty-one".