2100963 has 32 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 1209600.

The previous prime is 2100953. The next prime is 2100983. The reversal of 2100963 is 3690012.

It is not a de Polignac number, because 2100963 - 2⁶ = 2100899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51223 + ... + 51263.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

2^2100963 is an apocalyptic number.

2100963 is a deficient number, since it is larger than the sum of its proper divisors (1124637).

2100963 is a wasteful number, since it uses less digits than its factorization.

2100963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2100963 is about 1449.4699031025. The cubic root of 2100963 is about 128.0774880746.

Adding to 2100963 its reverse (3690012), we get a palindrome (5790975).

The spelling of 2100963 in words is "two million, one hundred thousand, nine hundred sixty-three".