2542131506 has 4 divisors (see below), whose sum is σ = 3813197262. Its totient is φ = 1271065752.

The previous prime is 2542131497. The next prime is 2542131517. The reversal of 2542131506 is 6051312452.

2542131506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2083100881 + 459030625 = 45641^2 + 21425^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635532875 + ... + 635532878.

Almost surely, 2^2542131506 is an apocalyptic number.

2542131506 is a deficient number, since it is larger than the sum of its proper divisors (1271065756).

2542131506 is a wasteful number, since it uses less digits than its factorization.

2542131506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271065755.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2542131506 is about 50419.5547977171. The cubic root of 2542131506 is about 1364.7905426258.

Adding to 2542131506 its reverse (6051312452), we get a palindrome (8593443958).

The spelling of 2542131506 in words is "two billion, five hundred forty-two million, one hundred thirty-one thousand, five hundred six".