2542131496 has 8 divisors (see below), whose sum is σ = 4766496570. Its totient is φ = 1271065744.

The previous prime is 2542131481. The next prime is 2542131497. The reversal of 2542131496 is 6941312452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2508607396 + 33524100 = 50086^2 + 5790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2542131497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158883211 + ... + 158883226.

Almost surely, 2^2542131496 is an apocalyptic number.

It is an amenable number.

2542131496 is a deficient number, since it is larger than the sum of its proper divisors (2224365074).

2542131496 is a wasteful number, since it uses less digits than its factorization.

2542131496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317766443 (or 317766439 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 2542131496 is about 50419.5546985493. The cubic root of 2542131496 is about 1364.7905408362.

The spelling of 2542131496 in words is "two billion, five hundred forty-two million, one hundred thirty-one thousand, four hundred ninety-six".