2542131533 has 8 divisors (see below), whose sum is σ = 2778497280. Its totient is φ = 2315413440.

The previous prime is 2542131517. The next prime is 2542131541. The reversal of 2542131533 is 3351312452.

It is a happy number.

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 2542131533 - 2⁴ = 2542131517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542131496 and 2542131505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542131133) 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, 2411363 + ... + 2412416.

It is an arithmetic number, because the mean of its divisors is an integer number (347312160).

Almost surely, 2^2542131533 is an apocalyptic number.

It is an amenable number.

2542131533 is a deficient number, since it is larger than the sum of its proper divisors (236365747).

2542131533 is a wasteful number, since it uses less digits than its factorization.

2542131533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823827.

The product of its digits is 10800, while the sum is 29.

The square root of 2542131533 is about 50419.5550654704. Note that the first 3 decimals coincide. The cubic root of 2542131533 is about 1364.7905474576.

Adding to 2542131533 its reverse (3351312452), we get a palindrome (5893443985).

The spelling of 2542131533 in words is "two billion, five hundred forty-two million, one hundred thirty-one thousand, five hundred thirty-three".