1761601 has 2 divisors, whose sum is σ = 1761602. Its totient is φ = 1761600.

The previous prime is 1761583. The next prime is 1761611. The reversal of 1761601 is 1061671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 123201 = 1280^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1761601 - 2¹¹ = 1759553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1761611) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880800 + 880801.

It is an arithmetic number, because the mean of its divisors is an integer number (880801).

2^1761601 is an apocalyptic number.

It is an amenable number.

1761601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1761601 is an equidigital number, since it uses as much as digits as its factorization.

1761601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1761601 is about 1327.2531785609. The cubic root of 1761601 is about 120.7728132393.

The spelling of 1761601 in words is "one million, seven hundred sixty-one thousand, six hundred one".