2103505401 has 16 divisors (see below), whose sum is σ = 2944699200. Its totient is φ = 1333768128.

The previous prime is 2103505381. The next prime is 2103505483. The reversal of 2103505401 is 1045053012.

It is not a de Polignac number, because 2103505401 - 2⁶ = 2103505337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2103505301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174606 + ... + 186263.

It is an arithmetic number, because the mean of its divisors is an integer number (184043700).

Almost surely, 2^2103505401 is an apocalyptic number.

It is an amenable number.

2103505401 is a deficient number, since it is larger than the sum of its proper divisors (841193799).

2103505401 is a wasteful number, since it uses less digits than its factorization.

2103505401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360968.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2103505401 is about 45863.9880625312. The cubic root of 2103505401 is about 1281.2912996055.

Adding to 2103505401 its reverse (1045053012), we get a palindrome (3148558413).

The spelling of 2103505401 in words is "two billion, one hundred three million, five hundred five thousand, four hundred one".