2149073 has 4 divisors (see below), whose sum is σ = 2160180. Its totient is φ = 2137968.

The previous prime is 2149067. The next prime is 2149087. The reversal of 2149073 is 3709412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1456849 + 692224 = 1207^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2149073 - 2⁴ = 2149057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2149003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5258 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (540045).

2^2149073 is an apocalyptic number.

It is an amenable number.

2149073 is a deficient number, since it is larger than the sum of its proper divisors (11107).

2149073 is a wasteful number, since it uses less digits than its factorization.

2149073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2149073 is about 1465.9716914047. The cubic root of 2149073 is about 129.0477358738.

It can be divided in two parts, 21 and 49073, that added together give a palindrome (49094).

The spelling of 2149073 in words is "two million, one hundred forty-nine thousand, seventy-three".