2525659684 has 6 divisors (see below), whose sum is σ = 4419904454. Its totient is φ = 1262829840.

The previous prime is 2525659681. The next prime is 2525659699. The reversal of 2525659684 is 4869565252.

It can be written as a sum of positive squares in only one way, i.e., 1483790400 + 1041869284 = 38520^2 + 32278^2 .

It is a super-3 number, since 3×2525659684³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2525659681) 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, 315707457 + ... + 315707464.

Almost surely, 2^2525659684 is an apocalyptic number.

It is an amenable number.

2525659684 is a deficient number, since it is larger than the sum of its proper divisors (1894244770).

2525659684 is a wasteful number, since it uses less digits than its factorization.

2525659684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631414925 (or 631414923 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 52.

The square root of 2525659684 is about 50255.9417780624. The cubic root of 2525659684 is about 1361.8364183756.

The spelling of 2525659684 in words is "two billion, five hundred twenty-five million, six hundred fifty-nine thousand, six hundred eighty-four".