2534112781 has 2 divisors, whose sum is σ = 2534112782. Its totient is φ = 2534112780.

The previous prime is 2534112739. The next prime is 2534112799. The reversal of 2534112781 is 1872114352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1276275625 + 1257837156 = 35725^2 + 35466^2 .

It is a cyclic number.

It is not a de Polignac number, because 2534112781 - 2²⁷ = 2399895053 is a prime.

It is a super-2 number, since 2×2534112781² = 12843455173655107922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2534113781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267056390 + 1267056391.

It is an arithmetic number, because the mean of its divisors is an integer number (1267056391).

Almost surely, 2^2534112781 is an apocalyptic number.

It is an amenable number.

2534112781 is a deficient number, since it is larger than the sum of its proper divisors (1).

2534112781 is an equidigital number, since it uses as much as digits as its factorization.

2534112781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 2534112781 is about 50339.9720003895. The cubic root of 2534112781 is about 1363.3540306410.

The spelling of 2534112781 in words is "two billion, five hundred thirty-four million, one hundred twelve thousand, seven hundred eighty-one".