2525647237 has 4 divisors (see below), whose sum is σ = 2530265056. Its totient is φ = 2521029420.

The previous prime is 2525647231. The next prime is 2525647247. The reversal of 2525647237 is 7327465252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525647237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2525647193 and 2525647202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525647231) 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 3 ways as a sum of consecutive naturals, for example, 2308089 + ... + 2309182.

It is an arithmetic number, because the mean of its divisors is an integer number (632566264).

Almost surely, 2^2525647237 is an apocalyptic number.

It is an amenable number.

2525647237 is a deficient number, since it is larger than the sum of its proper divisors (4617819).

2525647237 is an equidigital number, since it uses as much as digits as its factorization.

2525647237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617818.

The product of its digits is 705600, while the sum is 43.

The square root of 2525647237 is about 50255.8179418065. The cubic root of 2525647237 is about 1361.8341812299.

The spelling of 2525647237 in words is "two billion, five hundred twenty-five million, six hundred forty-seven thousand, two hundred thirty-seven".