2557406227 has 2 divisors, whose sum is σ = 2557406228. Its totient is φ = 2557406226.

The previous prime is 2557406221. The next prime is 2557406311. The reversal of 2557406227 is 7226047552.

2557406227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2557406227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2557406227.

It is not a weakly prime, because it can be changed into another prime (2557406221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278703113 + 1278703114.

It is an arithmetic number, because the mean of its divisors is an integer number (1278703114).

Almost surely, 2^2557406227 is an apocalyptic number.

2557406227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557406227 is an equidigital number, since it uses as much as digits as its factorization.

2557406227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 2557406227 is about 50570.8040968304. The cubic root of 2557406227 is about 1367.5185919019.

The spelling of 2557406227 in words is "two billion, five hundred fifty-seven million, four hundred six thousand, two hundred twenty-seven".