2252657687 has 16 divisors (see below), whose sum is σ = 2660216832. Its totient is φ = 1866663360.

The previous prime is 2252657677. The next prime is 2252657831. The reversal of 2252657687 is 7867562522.

It is a cyclic number.

It is not a de Polignac number, because 2252657687 - 2⁸ = 2252657431 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252657677) by changing a digit.

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, 233318 + ... + 242780.

It is an arithmetic number, because the mean of its divisors is an integer number (166263552).

Almost surely, 2^2252657687 is an apocalyptic number.

2252657687 is a deficient number, since it is larger than the sum of its proper divisors (407559145).

2252657687 is a wasteful number, since it uses less digits than its factorization.

2252657687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10598.

The product of its digits is 2822400, while the sum is 50.

The square root of 2252657687 is about 47462.1711155316. The cubic root of 2252657687 is about 1310.8864281970.

The spelling of 2252657687 in words is "two billion, two hundred fifty-two million, six hundred fifty-seven thousand, six hundred eighty-seven".