2563474787 has 2 divisors, whose sum is σ = 2563474788. Its totient is φ = 2563474786.

The previous prime is 2563474783. The next prime is 2563474831. The reversal of 2563474787 is 7874743652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2563474787 - 2² = 2563474783 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (2563474783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281737393 + 1281737394.

It is an arithmetic number, because the mean of its divisors is an integer number (1281737394).

Almost surely, 2^2563474787 is an apocalyptic number.

2563474787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563474787 is an equidigital number, since it uses as much as digits as its factorization.

2563474787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7902720, while the sum is 53.

The square root of 2563474787 is about 50630.7691725101. The cubic root of 2563474787 is about 1368.5994152444.

The spelling of 2563474787 in words is "two billion, five hundred sixty-three million, four hundred seventy-four thousand, seven hundred eighty-seven".