2563387753 has 2 divisors, whose sum is σ = 2563387754. Its totient is φ = 2563387752.

The previous prime is 2563387741. The next prime is 2563387769. The reversal of 2563387753 is 3577833652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1858644544 + 704743209 = 43112^2 + 26547^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563387753 - 2¹⁷ = 2563256681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2563387697 and 2563387706.

It is not a weakly prime, because it can be changed into another prime (2563387153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281693876 + 1281693877.

It is an arithmetic number, because the mean of its divisors is an integer number (1281693877).

Almost surely, 2^2563387753 is an apocalyptic number.

It is an amenable number.

2563387753 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563387753 is an equidigital number, since it uses as much as digits as its factorization.

2563387753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 49.

The square root of 2563387753 is about 50629.9096681003. The cubic root of 2563387753 is about 1368.5839263684.

The spelling of 2563387753 in words is "two billion, five hundred sixty-three million, three hundred eighty-seven thousand, seven hundred fifty-three".