2550000257 has 8 divisors (see below), whose sum is σ = 2915520000. Its totient is φ = 2184789024.

The previous prime is 2550000253. The next prime is 2550000283. The reversal of 2550000257 is 7520000552.

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 2550000257 - 2² = 2550000253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550000253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59132 + ... + 92717.

It is an arithmetic number, because the mean of its divisors is an integer number (364440000).

Almost surely, 2^2550000257 is an apocalyptic number.

It is an amenable number.

2550000257 is a deficient number, since it is larger than the sum of its proper divisors (365519743).

2550000257 is a wasteful number, since it uses less digits than its factorization.

2550000257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154255.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 2550000257 is about 50497.5272364895. The cubic root of 2550000257 is about 1366.1972539443.

The spelling of 2550000257 in words is "two billion, five hundred fifty million, two hundred fifty-seven", and thus it is an aban number.