2506542122 has 16 divisors (see below), whose sum is σ = 4297966272. Its totient is φ = 1073973120.

The previous prime is 2506542121. The next prime is 2506542151. The reversal of 2506542122 is 2212456052.

It is not an unprimeable number, because it can be changed into a prime (2506542121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45722 + ... + 84282.

It is an arithmetic number, because the mean of its divisors is an integer number (268622892).

Almost surely, 2^2506542122 is an apocalyptic number.

2506542122 is a deficient number, since it is larger than the sum of its proper divisors (1791424150).

2506542122 is a wasteful number, since it uses less digits than its factorization.

2506542122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43213.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2506542122 is about 50065.3784765480. The cubic root of 2506542122 is about 1358.3916472069.

Adding to 2506542122 its reverse (2212456052), we get a palindrome (4718998174).

The spelling of 2506542122 in words is "two billion, five hundred six million, five hundred forty-two thousand, one hundred twenty-two".