1961017 has 8 divisors (see below), whose sum is σ = 2013440. Its totient is φ = 1909440.

The previous prime is 1960993. The next prime is 1961021. The reversal of 1961017 is 7101691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1961017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1960982 and 1961000.

It is not an unprimeable number, because it can be changed into a prime (1961027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8017 + ... + 8257.

It is an arithmetic number, because the mean of its divisors is an integer number (251680).

2^1961017 is an apocalyptic number.

1961017 is the 809-th hex number.

It is an amenable number.

1961017 is a deficient number, since it is larger than the sum of its proper divisors (52423).

1961017 is a wasteful number, since it uses less digits than its factorization.

1961017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1961017 is about 1400.3631671820. The cubic root of 1961017 is about 125.1681364065.

The spelling of 1961017 in words is "one million, nine hundred sixty-one thousand, seventeen".