2103601 has 2 divisors, whose sum is σ = 2103602. Its totient is φ = 2103600.

The previous prime is 2103589. The next prime is 2103611. The reversal of 2103601 is 1063012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 361201 = 1320^2 + 601^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103601 - 2⁷ = 2103473 is a prime.

2103601 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051800 + 1051801.

It is an arithmetic number, because the mean of its divisors is an integer number (1051801).

2^2103601 is an apocalyptic number.

It is an amenable number.

2103601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103601 is an equidigital number, since it uses as much as digits as its factorization.

2103601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2103601 is about 1450.3796054826. The cubic root of 2103601 is about 128.1310709794.

Adding to 2103601 its reverse (1063012), we get a palindrome (3166613).

It can be divided in two parts, 2103 and 601, that added together give a square (2704 = 52²).

The spelling of 2103601 in words is "two million, one hundred three thousand, six hundred one".