2542905907 has 8 divisors (see below), whose sum is σ = 2733696000. Its totient is φ = 2357811144.

The previous prime is 2542905901. The next prime is 2542905923. The reversal of 2542905907 is 7095092452.

2542905907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542905907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542905901) 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, 1422907 + ... + 1424692.

It is an arithmetic number, because the mean of its divisors is an integer number (341712000).

Almost surely, 2^2542905907 is an apocalyptic number.

2542905907 is a deficient number, since it is larger than the sum of its proper divisors (190790093).

2542905907 is a wasteful number, since it uses less digits than its factorization.

2542905907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847665.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 2542905907 is about 50427.2337829471. The cubic root of 2542905907 is about 1364.9291124122.

The spelling of 2542905907 in words is "two billion, five hundred forty-two million, nine hundred five thousand, nine hundred seven".