6537065625 has 72 divisors (see below), whose sum is σ = 12092272920. Its totient is φ = 3400800000.

The previous prime is 6537065609. The next prime is 6537065629. The reversal of 6537065625 is 5265607356.

It can be written as a sum of positive squares in 12 ways, for example, as 5635805184 + 901260441 = 75072^2 + 30021^2 .

It is not a de Polignac number, because 6537065625 - 2⁴ = 6537065609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6537065629) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1150291 + ... + 1155959.

It is an arithmetic number, because the mean of its divisors is an integer number (167948235).

Almost surely, 2^6537065625 is an apocalyptic number.

It is an amenable number.

6537065625 is a deficient number, since it is larger than the sum of its proper divisors (5555207295).

6537065625 is an equidigital number, since it uses as much as digits as its factorization.

6537065625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5718 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The square root of 6537065625 is about 80852.1219573117. The cubic root of 6537065625 is about 1869.7962378189.

The spelling of 6537065625 in words is "six billion, five hundred thirty-seven million, sixty-five thousand, six hundred twenty-five".