2525252555281 has 2 divisors, whose sum is σ = 2525252555282. Its totient is φ = 2525252555280.

The previous prime is 2525252555249. The next prime is 2525252555317. The reversal of 2525252555281 is 1825552525252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2273038675600 + 252213879681 = 1507660^2 + 502209^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525252555281 - 2⁵ = 2525252555249 is a prime.

It is a super-2 number, since 2×2525252555281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2525255555281) 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, 1262626277640 + 1262626277641.

It is an arithmetic number, because the mean of its divisors is an integer number (1262626277641).

Almost surely, 2^{2525252555281} is an apocalyptic number.

It is an amenable number.

2525252555281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525252555281 is an equidigital number, since it uses as much as digits as its factorization.

2525252555281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000000, while the sum is 49.

The spelling of 2525252555281 in words is "two trillion, five hundred twenty-five billion, two hundred fifty-two million, five hundred fifty-five thousand, two hundred eighty-one".