2538520242 has 32 divisors (see below), whose sum is σ = 5100302592. Its totient is φ = 842307024.

The previous prime is 2538520139. The next prime is 2538520273. The reversal of 2538520242 is 2420258352.

It is an unprimeable number.

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, 1559433 + ... + 1561059.

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

Almost surely, 2^2538520242 is an apocalyptic number.

2538520242 is an abundant number, since it is smaller than the sum of its proper divisors (2561782350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2538520242 is a wasteful number, since it uses less digits than its factorization.

2538520242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 2538520242 is about 50383.7299333823. The cubic root of 2538520242 is about 1364.1439783031.

Adding to 2538520242 its reverse (2420258352), we get a palindrome (4958778594).

The spelling of 2538520242 in words is "two billion, five hundred thirty-eight million, five hundred twenty thousand, two hundred forty-two".