2861017 has 4 divisors (see below), whose sum is σ = 2864896. Its totient is φ = 2857140.

The previous prime is 2861009. The next prime is 2861041. The reversal of 2861017 is 7101682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2861017 - 2³ = 2861009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2860982 and 2861000.

It is not an unprimeable number, because it can be changed into a prime (2861317) 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, 453 + ... + 2434.

It is an arithmetic number, because the mean of its divisors is an integer number (716224).

2^2861017 is an apocalyptic number.

It is an amenable number.

2861017 is a deficient number, since it is larger than the sum of its proper divisors (3879).

2861017 is an equidigital number, since it uses as much as digits as its factorization.

2861017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2861017 is about 1691.4541081566. The cubic root of 2861017 is about 141.9624479158.

Adding to 2861017 its reverse (7101682), we get a palindrome (9962699).

It can be divided in two parts, 28 and 61017, that multiplied together give a triangular number (1708476 = T₁₈₄₈).

The spelling of 2861017 in words is "two million, eight hundred sixty-one thousand, seventeen".