2542309505 has 32 divisors (see below), whose sum is σ = 3247292160. Its totient is φ = 1907700480.

The previous prime is 2542309501. The next prime is 2542309513. The reversal of 2542309505 is 5059032452.

It is not a de Polignac number, because 2542309505 - 2² = 2542309501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2542309501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732404 + ... + 735866.

It is an arithmetic number, because the mean of its divisors is an integer number (101477880).

Almost surely, 2^2542309505 is an apocalyptic number.

It is an amenable number.

2542309505 is a deficient number, since it is larger than the sum of its proper divisors (704982655).

2542309505 is a wasteful number, since it uses less digits than its factorization.

2542309505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2542309505 is about 50421.3199450391. The cubic root of 2542309505 is about 1364.8223959060.

The spelling of 2542309505 in words is "two billion, five hundred forty-two million, three hundred nine thousand, five hundred five".