2563140277 has 2 divisors, whose sum is σ = 2563140278. Its totient is φ = 2563140276.

The previous prime is 2563140221. The next prime is 2563140287. The reversal of 2563140277 is 7720413652.

It is a happy number.

2563140277 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 can be written as a sum of positive squares in only one way, i.e., 2526670756 + 36469521 = 50266^2 + 6039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563140277 - 2⁷ = 2563140149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2563140287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281570138 + 1281570139.

It is an arithmetic number, because the mean of its divisors is an integer number (1281570139).

Almost surely, 2^2563140277 is an apocalyptic number.

It is an amenable number.

2563140277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563140277 is an equidigital number, since it uses as much as digits as its factorization.

2563140277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2563140277 is about 50627.4656387222. The cubic root of 2563140277 is about 1368.5398827552.

The spelling of 2563140277 in words is "two billion, five hundred sixty-three million, one hundred forty thousand, two hundred seventy-seven".