2525008685 has 16 divisors (see below), whose sum is σ = 3185889840. Its totient is φ = 1918371840.

The previous prime is 2525008643. The next prime is 2525008693. The reversal of 2525008685 is 5868005252.

It can be written as a sum of positive squares in 8 ways, for example, as 44769481 + 2480239204 = 6691^2 + 49802^2 .

It is not a de Polignac number, because 2525008685 - 2¹² = 2525004589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133892 + ... + 151581.

It is an arithmetic number, because the mean of its divisors is an integer number (199118115).

Almost surely, 2^2525008685 is an apocalyptic number.

It is an amenable number.

2525008685 is a deficient number, since it is larger than the sum of its proper divisors (660881155).

2525008685 is a wasteful number, since it uses less digits than its factorization.

2525008685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285568.

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 2525008685 is about 50249.4645245101. The cubic root of 2525008685 is about 1361.7194020393.

The spelling of 2525008685 in words is "two billion, five hundred twenty-five million, eight thousand, six hundred eighty-five".