2525419081 has 2 divisors, whose sum is σ = 2525419082. Its totient is φ = 2525419080.

The previous prime is 2525419079. The next prime is 2525419109. The reversal of 2525419081 is 1809145252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1481095225 + 1044323856 = 38485^2 + 32316^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525419081 - 2¹ = 2525419079 is a prime.

It is a super-2 number, since 2×2525419081² = 12755483069357769122, which contains 22 as substring.

Together with 2525419079, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2525419081.

It is not a weakly prime, because it can be changed into another prime (2525419031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262709540 + 1262709541.

It is an arithmetic number, because the mean of its divisors is an integer number (1262709541).

Almost surely, 2^2525419081 is an apocalyptic number.

It is an amenable number.

2525419081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525419081 is an equidigital number, since it uses as much as digits as its factorization.

2525419081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2525419081 is about 50253.5479443989. The cubic root of 2525419081 is about 1361.7931726003.

The spelling of 2525419081 in words is "two billion, five hundred twenty-five million, four hundred nineteen thousand, eighty-one".