2542131505 has 16 divisors (see below), whose sum is σ = 3213302400. Its totient is φ = 1925354880.

The previous prime is 2542131497. The next prime is 2542131517. The reversal of 2542131505 is 5051312452.

2542131505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2542131505 - 2³ = 2542131497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144540 + ... + 161170.

It is an arithmetic number, because the mean of its divisors is an integer number (200831400).

Almost surely, 2^2542131505 is an apocalyptic number.

It is an amenable number.

2542131505 is a deficient number, since it is larger than the sum of its proper divisors (671170895).

2542131505 is a wasteful number, since it uses less digits than its factorization.

2542131505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18264.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2542131505 is about 50419.5547878003. The cubic root of 2542131505 is about 1364.7905424468.

Adding to 2542131505 its reverse (5051312452), we get a palindrome (7593443957).

The spelling of 2542131505 in words is "two billion, five hundred forty-two million, one hundred thirty-one thousand, five hundred five".