2100737 has 2 divisors, whose sum is σ = 2100738. Its totient is φ = 2100736.

The previous prime is 2100733. The next prime is 2100743. The reversal of 2100737 is 7370012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1874161 + 226576 = 1369^2 + 476^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100737 - 2² = 2100733 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2100733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050368 + 1050369.

It is an arithmetic number, because the mean of its divisors is an integer number (1050369).

2^2100737 is an apocalyptic number.

It is an amenable number.

2100737 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100737 is an equidigital number, since it uses as much as digits as its factorization.

2100737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 2100737 is about 1449.3919414706. The cubic root of 2100737 is about 128.0728954901.

Adding to 2100737 its reverse (7370012), we get a palindrome (9470749).

The spelling of 2100737 in words is "two million, one hundred thousand, seven hundred thirty-seven".