2556514783 has 2 divisors, whose sum is σ = 2556514784. Its totient is φ = 2556514782.

The previous prime is 2556514777. The next prime is 2556514817. The reversal of 2556514783 is 3874156552.

2556514783 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 not a de Polignac number, because 2556514783 - 2¹³ = 2556506591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2556514283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278257391 + 1278257392.

It is an arithmetic number, because the mean of its divisors is an integer number (1278257392).

Almost surely, 2^2556514783 is an apocalyptic number.

2556514783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556514783 is an equidigital number, since it uses as much as digits as its factorization.

2556514783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 46.

The square root of 2556514783 is about 50561.9895079298. The cubic root of 2556514783 is about 1367.3596798627.

The spelling of 2556514783 in words is "two billion, five hundred fifty-six million, five hundred fourteen thousand, seven hundred eighty-three".