2542562857 has 8 divisors (see below), whose sum is σ = 2692568736. Its totient is φ = 2392606272.

The previous prime is 2542562819. The next prime is 2542562873. The reversal of 2542562857 is 7582652452.

2542562857 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 not a de Polignac number, because 2542562857 - 2²³ = 2534174249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542562357) 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, 177858 + ... + 191620.

It is an arithmetic number, because the mean of its divisors is an integer number (336571092).

Almost surely, 2^2542562857 is an apocalyptic number.

It is an amenable number.

2542562857 is a deficient number, since it is larger than the sum of its proper divisors (150005879).

2542562857 is a wasteful number, since it uses less digits than its factorization.

2542562857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24647.

The product of its digits is 1344000, while the sum is 46.

The square root of 2542562857 is about 50423.8322323879. The cubic root of 2542562857 is about 1364.8677311937.

The spelling of 2542562857 in words is "two billion, five hundred forty-two million, five hundred sixty-two thousand, eight hundred fifty-seven".