2542131535 has 16 divisors (see below), whose sum is σ = 3119026176. Its totient is φ = 1988159008.

The previous prime is 2542131517. The next prime is 2542131541. The reversal of 2542131535 is 5351312452.

It is a cyclic number.

It is not a de Polignac number, because 2542131535 - 2²³ = 2533742927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542131497 and 2542131506.

It is a congruent number.

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, 216834 + ... + 228256.

It is an arithmetic number, because the mean of its divisors is an integer number (194939136).

Almost surely, 2^2542131535 is an apocalyptic number.

2542131535 is a deficient number, since it is larger than the sum of its proper divisors (576894641).

2542131535 is a wasteful number, since it uses less digits than its factorization.

2542131535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12422.

The product of its digits is 18000, while the sum is 31.

The square root of 2542131535 is about 50419.5550853040. Note that the first 3 decimals coincide. The cubic root of 2542131535 is about 1364.7905478155.

Adding to 2542131535 its reverse (5351312452), we get a palindrome (7893443987).

The spelling of 2542131535 in words is "two billion, five hundred forty-two million, one hundred thirty-one thousand, five hundred thirty-five".