2525381249 has 2 divisors, whose sum is σ = 2525381250. Its totient is φ = 2525381248.

The previous prime is 2525381233. The next prime is 2525381293. The reversal of 2525381249 is 9421835252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338096400 + 1187284849 = 36580^2 + 34457^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525381249 - 2⁴ = 2525381233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2525389249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262690624 + 1262690625.

It is an arithmetic number, because the mean of its divisors is an integer number (1262690625).

Almost surely, 2^2525381249 is an apocalyptic number.

It is an amenable number.

2525381249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525381249 is an equidigital number, since it uses as much as digits as its factorization.

2525381249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 41.

The square root of 2525381249 is about 50253.1715317551. The cubic root of 2525381249 is about 1361.7863724595.

The spelling of 2525381249 in words is "two billion, five hundred twenty-five million, three hundred eighty-one thousand, two hundred forty-nine".