2563514761 has 2 divisors, whose sum is σ = 2563514762. Its totient is φ = 2563514760.

The previous prime is 2563514731. The next prime is 2563514773. The reversal of 2563514761 is 1674153652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1837751161 + 725763600 = 42869^2 + 26940^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563514761 - 2²⁷ = 2429297033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2563514731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281757380 + 1281757381.

It is an arithmetic number, because the mean of its divisors is an integer number (1281757381).

Almost surely, 2^2563514761 is an apocalyptic number.

It is an amenable number.

2563514761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563514761 is an equidigital number, since it uses as much as digits as its factorization.

2563514761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 2563514761 is about 50631.1639309230. The cubic root of 2563514761 is about 1368.6065290402.

The spelling of 2563514761 in words is "two billion, five hundred sixty-three million, five hundred fourteen thousand, seven hundred sixty-one".