2557062439 has 2 divisors, whose sum is σ = 2557062440. Its totient is φ = 2557062438.

The previous prime is 2557062413. The next prime is 2557062449. The reversal of 2557062439 is 9342607552.

2557062439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2557062439 - 2⁵ = 2557062407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2557062395 and 2557062404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2557062449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278531219 + 1278531220.

It is an arithmetic number, because the mean of its divisors is an integer number (1278531220).

Almost surely, 2^2557062439 is an apocalyptic number.

2557062439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557062439 is an equidigital number, since it uses as much as digits as its factorization.

2557062439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 2557062439 is about 50567.4049067183. The cubic root of 2557062439 is about 1367.4573113819.

The spelling of 2557062439 in words is "two billion, five hundred fifty-seven million, sixty-two thousand, four hundred thirty-nine".