2542257306 has 16 divisors (see below), whose sum is σ = 5649460800. Its totient is φ = 847419084.

The previous prime is 2542257287. The next prime is 2542257329. The reversal of 2542257306 is 6037522452.

2542257306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23539366 + ... + 23539473.

It is an arithmetic number, because the mean of its divisors is an integer number (353091300).

Almost surely, 2^2542257306 is an apocalyptic number.

2542257306 is an abundant number, since it is smaller than the sum of its proper divisors (3107203494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2542257306 is a wasteful number, since it uses less digits than its factorization.

2542257306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47078850 (or 47078844 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 2542257306 is about 50420.8023141243. The cubic root of 2542257306 is about 1364.8130549437.

Adding to 2542257306 its reverse (6037522452), we get a palindrome (8579779758).

It can be divided in two parts, 25422 and 57306, that added together give a palindrome (82728).

The spelling of 2542257306 in words is "two billion, five hundred forty-two million, two hundred fifty-seven thousand, three hundred six".