2107345 has 4 divisors (see below), whose sum is σ = 2528820. Its totient is φ = 1685872.

The previous prime is 2107327. The next prime is 2107361. The reversal of 2107345 is 5437012.

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 638401 + 1468944 = 799^2 + 1212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2107345 - 2⁹ = 2106833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210730 + ... + 210739.

It is an arithmetic number, because the mean of its divisors is an integer number (632205).

2^2107345 is an apocalyptic number.

It is an amenable number.

2107345 is a deficient number, since it is larger than the sum of its proper divisors (421475).

2107345 is an equidigital number, since it uses as much as digits as its factorization.

2107345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421474.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2107345 is about 1451.6697282784. The cubic root of 2107345 is about 128.2070420415.

The spelling of 2107345 in words is "two million, one hundred seven thousand, three hundred forty-five".