6525437172 has 12 divisors (see below), whose sum is σ = 15226020096. Its totient is φ = 2175145720.

The previous prime is 6525437167. The next prime is 6525437173. The reversal of 6525437172 is 2717345256.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525437173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271893204 + ... + 271893227.

It is an arithmetic number, because the mean of its divisors is an integer number (1268835008).

Almost surely, 2^6525437172 is an apocalyptic number.

It is an amenable number.

6525437172 is an abundant number, since it is smaller than the sum of its proper divisors (8700582924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6525437172 is a wasteful number, since it uses less digits than its factorization.

6525437172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543786438 (or 543786436 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 6525437172 is about 80780.1780884395. The cubic root of 6525437172 is about 1868.6868846787.

The spelling of 6525437172 in words is "six billion, five hundred twenty-five million, four hundred thirty-seven thousand, one hundred seventy-two".