2100307 has 8 divisors (see below), whose sum is σ = 2347632. Its totient is φ = 1862400.

The previous prime is 2100277. The next prime is 2100313. The reversal of 2100307 is 7030012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100307 is a prime.

It is a super-2 number, since 2×2100307² = 8822578988498, which contains 22 as substring.

It is a Duffinian number.

2100307 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2100377) 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 7 ways as a sum of consecutive naturals, for example, 1878 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (293454).

2^2100307 is an apocalyptic number.

2100307 is a deficient number, since it is larger than the sum of its proper divisors (247325).

2100307 is a wasteful number, since it uses less digits than its factorization.

2100307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 2100307 is about 1449.2435958113. The cubic root of 2100307 is about 128.0641564773.

Adding to 2100307 its reverse (7030012), we get a palindrome (9130319).

The spelling of 2100307 in words is "two million, one hundred thousand, three hundred seven".