2110545 has 12 divisors (see below), whose sum is σ = 3658356. Its totient is φ = 1125600.

The previous prime is 2110543. The next prime is 2110547. The reversal of 2110545 is 5450112.

It is an interprime number because it is at equal distance from previous prime (2110543) and next prime (2110547).

It can be written as a sum of positive squares in 2 ways, for example, as 1468944 + 641601 = 1212^2 + 801^2 .

It is not a de Polignac number, because 2110545 - 2¹ = 2110543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2110543) by changing a digit.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23406 + ... + 23495.

It is an arithmetic number, because the mean of its divisors is an integer number (304863).

2^2110545 is an apocalyptic number.

It is an amenable number.

2110545 is a deficient number, since it is larger than the sum of its proper divisors (1547811).

2110545 is a wasteful number, since it uses less digits than its factorization.

2110545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46912 (or 46909 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2110545 is about 1452.7714892577. The cubic root of 2110545 is about 128.2719032845.

Adding to 2110545 its reverse (5450112), we get a palindrome (7560657).

It can be divided in two parts, 21 and 10545, that multiplied together give a triangular number (221445 = T₆₆₅).

The spelling of 2110545 in words is "two million, one hundred ten thousand, five hundred forty-five".