1701961 has 4 divisors (see below), whose sum is σ = 1729924. Its totient is φ = 1674000.

The previous prime is 1701913. The next prime is 1701967. The reversal of 1701961 is 1691071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1691071 = 53 ⋅31907.

It can be written as a sum of positive squares in 2 ways, for example, as 739600 + 962361 = 860^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 1701961 - 2⁹ = 1701449 is a prime.

It is a Duffinian number.

1701961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1701967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13890 + ... + 14011.

It is an arithmetic number, because the mean of its divisors is an integer number (432481).

2^1701961 is an apocalyptic number.

It is an amenable number.

1701961 is a deficient number, since it is larger than the sum of its proper divisors (27963).

1701961 is an equidigital number, since it uses as much as digits as its factorization.

1701961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27962.

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

The square root of 1701961 is about 1304.5922734709. The cubic root of 1701961 is about 119.3941921575.

It can be divided in two parts, 1701 and 961, that added together give a palindrome (2662).

The spelling of 1701961 in words is "one million, seven hundred one thousand, nine hundred sixty-one".