6525828261 has 20 divisors (see below), whose sum is σ = 9844991244. Its totient is φ = 4307472000.

The previous prime is 6525828247. The next prime is 6525828299. The reversal of 6525828261 is 1628285256.

It is a happy number.

6525828261 is a `hidden beast` number, since 6 + 5 + 2 + 582 + 8 + 2 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5659703361 + 866124900 = 75231^2 + 29430^2 .

It is not a de Polignac number, because 6525828261 - 2²⁵ = 6492273829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525828061) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 390660 + ... + 407021.

Almost surely, 2^6525828261 is an apocalyptic number.

It is an amenable number.

6525828261 is a deficient number, since it is larger than the sum of its proper divisors (3319162983).

6525828261 is a wasteful number, since it uses less digits than its factorization.

6525828261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797794 (or 797785 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 6525828261 is about 80782.5987512162. The cubic root of 6525828261 is about 1868.7242159341.

The spelling of 6525828261 in words is "six billion, five hundred twenty-five million, eight hundred twenty-eight thousand, two hundred sixty-one".