2512763881 has 2 divisors, whose sum is σ = 2512763882. Its totient is φ = 2512763880.

The previous prime is 2512763857. The next prime is 2512763917. The reversal of 2512763881 is 1883672152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2049825625 + 462938256 = 45275^2 + 21516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512763881 - 2³¹ = 365280233 is a prime.

It is a super-2 number, since 2×2512763881² = 12627964643316364322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2512763821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256381940 + 1256381941.

It is an arithmetic number, because the mean of its divisors is an integer number (1256381941).

Almost surely, 2^2512763881 is an apocalyptic number.

It is an amenable number.

2512763881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512763881 is an equidigital number, since it uses as much as digits as its factorization.

2512763881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The square root of 2512763881 is about 50127.4763079092. The cubic root of 2512763881 is about 1359.5146554268.

The spelling of 2512763881 in words is "two billion, five hundred twelve million, seven hundred sixty-three thousand, eight hundred eighty-one".