2525981682 has 48 divisors (see below), whose sum is σ = 5831300160. Its totient is φ = 714576096.

The previous prime is 2525981663. The next prime is 2525981683. The reversal of 2525981682 is 2861895252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525981683) 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 in 23 ways as a sum of consecutive naturals, for example, 442744 + ... + 448412.

It is an arithmetic number, because the mean of its divisors is an integer number (121485420).

Almost surely, 2^2525981682 is an apocalyptic number.

2525981682 is an abundant number, since it is smaller than the sum of its proper divisors (3305318478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2525981682 is a wasteful number, since it uses less digits than its factorization.

2525981682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5887 (or 5784 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 2525981682 is about 50259.1452573559. The cubic root of 2525981682 is about 1361.8942897206.

The spelling of 2525981682 in words is "two billion, five hundred twenty-five million, nine hundred eighty-one thousand, six hundred eighty-two".