6540625435 has 16 divisors (see below), whose sum is σ = 8012779200. Its totient is φ = 5124138880.

The previous prime is 6540625369. The next prime is 6540625439. The reversal of 6540625435 is 5345260456.

It is a happy number.

It is not a de Polignac number, because 6540625435 - 2¹¹ = 6540623387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6540625439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8932 + ... + 114721.

It is an arithmetic number, because the mean of its divisors is an integer number (500798700).

Almost surely, 2^6540625435 is an apocalyptic number.

6540625435 is a deficient number, since it is larger than the sum of its proper divisors (1472153765).

6540625435 is a wasteful number, since it uses less digits than its factorization.

6540625435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123878.

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 6540625435 is about 80874.1332874733. The cubic root of 6540625435 is about 1870.1355802639.

The spelling of 6540625435 in words is "six billion, five hundred forty million, six hundred twenty-five thousand, four hundred thirty-five".