6997523522 has 8 divisors (see below), whose sum is σ = 11450493072. Its totient is φ = 3180692500.

The previous prime is 6997523521. The next prime is 6997523567. The reversal of 6997523522 is 2253257996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6997523521) 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, 159034604 + ... + 159034647.

It is an arithmetic number, because the mean of its divisors is an integer number (1431311634).

Almost surely, 2^6997523522 is an apocalyptic number.

6997523522 is a deficient number, since it is larger than the sum of its proper divisors (4452969550).

6997523522 is a wasteful number, since it uses less digits than its factorization.

6997523522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318069264.

The product of its digits is 2041200, while the sum is 50.

The square root of 6997523522 is about 83651.2015574194. The cubic root of 6997523522 is about 1912.7055689266.

The spelling of 6997523522 in words is "six billion, nine hundred ninety-seven million, five hundred twenty-three thousand, five hundred twenty-two".