2537128625 has 8 divisors (see below), whose sum is σ = 3166336680. Its totient is φ = 2029702800.

The previous prime is 2537128621. The next prime is 2537128631. The reversal of 2537128625 is 5268217352.

It can be written as a sum of positive squares in 4 ways, for example, as 38328481 + 2498800144 = 6191^2 + 49988^2 .

It is not a de Polignac number, because 2537128625 - 2² = 2537128621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2537128621) 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, 10148390 + ... + 10148639.

It is an arithmetic number, because the mean of its divisors is an integer number (395792085).

Almost surely, 2^2537128625 is an apocalyptic number.

2537128625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2537128625 is a deficient number, since it is larger than the sum of its proper divisors (629208055).

2537128625 is an equidigital number, since it uses as much as digits as its factorization.

2537128625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20297044 (or 20297034 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 2537128625 is about 50369.9178577849. The cubic root of 2537128625 is about 1363.8946581257.

The spelling of 2537128625 in words is "two billion, five hundred thirty-seven million, one hundred twenty-eight thousand, six hundred twenty-five".