2525644937 has 8 divisors (see below), whose sum is σ = 2555029800. Its totient is φ = 2496282624.

The previous prime is 2525644921. The next prime is 2525644943. The reversal of 2525644937 is 7394465252.

It can be written as a sum of positive squares in 4 ways, for example, as 169416256 + 2356228681 = 13016^2 + 48541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2525644937 - 2⁴ = 2525644921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2525644891 and 2525644900.

It is not an unprimeable number, because it can be changed into a prime (2525644907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342473 + ... + 349769.

It is an arithmetic number, because the mean of its divisors is an integer number (319378725).

Almost surely, 2^2525644937 is an apocalyptic number.

It is an amenable number.

2525644937 is a deficient number, since it is larger than the sum of its proper divisors (29384863).

2525644937 is an equidigital number, since it uses as much as digits as its factorization.

2525644937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11275.

The product of its digits is 1814400, while the sum is 47.

The square root of 2525644937 is about 50255.7950588785. The cubic root of 2525644937 is about 1361.8337678416.

The spelling of 2525644937 in words is "two billion, five hundred twenty-five million, six hundred forty-four thousand, nine hundred thirty-seven".