2528712857 has 8 divisors (see below), whose sum is σ = 2758971072. Its totient is φ = 2298517200.

The previous prime is 2528712841. The next prime is 2528712937. The reversal of 2528712857 is 7582178252.

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 2528712857 - 2⁴ = 2528712841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2528715857) 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, 120308 + ... + 139754.

It is an arithmetic number, because the mean of its divisors is an integer number (344871384).

Almost surely, 2^2528712857 is an apocalyptic number.

It is an amenable number.

2528712857 is a deficient number, since it is larger than the sum of its proper divisors (230258215).

2528712857 is a wasteful number, since it uses less digits than its factorization.

2528712857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31279.

The product of its digits is 627200, while the sum is 47.

The square root of 2528712857 is about 50286.3088424673. The cubic root of 2528712857 is about 1362.3849546495.

The spelling of 2528712857 in words is "two billion, five hundred twenty-eight million, seven hundred twelve thousand, eight hundred fifty-seven".