2638200325 has 24 divisors (see below), whose sum is σ = 3387986280. Its totient is φ = 2035488000.

The previous prime is 2638200251. The next prime is 2638200329. The reversal of 2638200325 is 5230028362.

It can be written as a sum of positive squares in 12 ways, for example, as 1280351524 + 1357848801 = 35782^2 + 36849^2 .

It is not a de Polignac number, because 2638200325 - 2¹³ = 2638192133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638200329) 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 23 ways as a sum of consecutive naturals, for example, 941827 + ... + 944623.

It is an arithmetic number, because the mean of its divisors is an integer number (141166095).

Almost surely, 2^2638200325 is an apocalyptic number.

2638200325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2638200325 is a deficient number, since it is larger than the sum of its proper divisors (749785955).

2638200325 is a wasteful number, since it uses less digits than its factorization.

2638200325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2638200325 is about 51363.4142654088. The cubic root of 2638200325 is about 1381.7705211798.

Adding to 2638200325 its reverse (5230028362), we get a palindrome (7868228687).

The spelling of 2638200325 in words is "two billion, six hundred thirty-eight million, two hundred thousand, three hundred twenty-five".