2121325063 has 16 divisors (see below), whose sum is σ = 2550151296. Its totient is φ = 1738729440.

The previous prime is 2121325061. The next prime is 2121325079. The reversal of 2121325063 is 3605231212.

It is a cyclic number.

It is not a de Polignac number, because 2121325063 - 2¹ = 2121325061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121325061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166345 + ... + 178642.

It is an arithmetic number, because the mean of its divisors is an integer number (159384456).

Almost surely, 2^2121325063 is an apocalyptic number.

2121325063 is a deficient number, since it is larger than the sum of its proper divisors (428826233).

2121325063 is a wasteful number, since it uses less digits than its factorization.

2121325063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345054.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2121325063 is about 46057.8447498360. The cubic root of 2121325063 is about 1284.8992462904.

Adding to 2121325063 its reverse (3605231212), we get a palindrome (5726556275).

It can be divided in two parts, 2121 and 325063, that added together give a square (327184 = 572²).

The spelling of 2121325063 in words is "two billion, one hundred twenty-one million, three hundred twenty-five thousand, sixty-three".