6525512473 has 4 divisors (see below), whose sum is σ = 6526153728. Its totient is φ = 6524871220.

The previous prime is 6525512449. The next prime is 6525512479. The reversal of 6525512473 is 3742155256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6525512473 - 2²⁵ = 6491958041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6525512479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305113 + ... + 325798.

It is an arithmetic number, because the mean of its divisors is an integer number (1631538432).

Almost surely, 2^6525512473 is an apocalyptic number.

It is an amenable number.

6525512473 is a deficient number, since it is larger than the sum of its proper divisors (641255).

6525512473 is a wasteful number, since it uses less digits than its factorization.

6525512473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641254.

The product of its digits is 252000, while the sum is 40.

The square root of 6525512473 is about 80780.6441729700. The cubic root of 6525512473 is about 1868.6940726237.

The spelling of 6525512473 in words is "six billion, five hundred twenty-five million, five hundred twelve thousand, four hundred seventy-three".