2542005121 has 16 divisors (see below), whose sum is σ = 2802867840. Its totient is φ = 2294611200.

The previous prime is 2542005107. The next prime is 2542005143. The reversal of 2542005121 is 1215002452.

2542005121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2542005121 - 2⁹ = 2542004609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542005092 and 2542005101.

It is not an unprimeable number, because it can be changed into a prime (2542005161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57370 + ... + 91516.

It is an arithmetic number, because the mean of its divisors is an integer number (175179240).

Almost surely, 2^2542005121 is an apocalyptic number.

It is an amenable number.

2542005121 is a deficient number, since it is larger than the sum of its proper divisors (260862719).

2542005121 is a wasteful number, since it uses less digits than its factorization.

2542005121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34344.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2542005121 is about 50418.3014489778. The cubic root of 2542005121 is about 1364.7679248723.

Adding to 2542005121 its reverse (1215002452), we get a palindrome (3757007573).

The spelling of 2542005121 in words is "two billion, five hundred forty-two million, five thousand, one hundred twenty-one".