2538520193 has 8 divisors (see below), whose sum is σ = 2804350080. Its totient is φ = 2278532880.

The previous prime is 2538520139. The next prime is 2538520273. The reversal of 2538520193 is 3910258352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2538520193 - 2⁸ = 2538519937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2538520793) 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 7 ways as a sum of consecutive naturals, for example, 1459730 + ... + 1461467.

It is an arithmetic number, because the mean of its divisors is an integer number (350543760).

Almost surely, 2^2538520193 is an apocalyptic number.

It is an amenable number.

2538520193 is a deficient number, since it is larger than the sum of its proper divisors (265829887).

2538520193 is a wasteful number, since it uses less digits than its factorization.

2538520193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921287.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 2538520193 is about 50383.7294471142. The cubic root of 2538520193 is about 1364.1439695259.

The spelling of 2538520193 in words is "two billion, five hundred thirty-eight million, five hundred twenty thousand, one hundred ninety-three".