2542650554 has 4 divisors (see below), whose sum is σ = 3813975834. Its totient is φ = 1271325276.

The previous prime is 2542650553. The next prime is 2542650589. The reversal of 2542650554 is 4550562452.

It is a happy number.

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., 2359724929 + 182925625 = 48577^2 + 13525^2 .

It is not an unprimeable number, because it can be changed into a prime (2542650553) 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 as a sum of consecutive naturals, namely, 635662637 + ... + 635662640.

Almost surely, 2^2542650554 is an apocalyptic number.

2542650554 is a deficient number, since it is larger than the sum of its proper divisors (1271325280).

2542650554 is a wasteful number, since it uses less digits than its factorization.

2542650554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271325279.

The product of its (nonzero) digits is 240000, while the sum is 38.

The square root of 2542650554 is about 50424.7018236102. The cubic root of 2542650554 is about 1364.8834231596.

The spelling of 2542650554 in words is "two billion, five hundred forty-two million, six hundred fifty thousand, five hundred fifty-four".