6531562242 has 24 divisors (see below), whose sum is σ = 14238544944. Its totient is φ = 2163829464.

The previous prime is 6531562211. The next prime is 6531562253. The reversal of 6531562242 is 2422651356.

6531562242 is a `hidden beast` number, since 6 + 53 + 1 + 562 + 2 + 42 = 666.

It is a super-2 number, since 2×6531562242² = 85322610642240133128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6531562197 and 6531562206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110148 + ... + 1116015.

It is an arithmetic number, because the mean of its divisors is an integer number (593272706).

Almost surely, 2^6531562242 is an apocalyptic number.

6531562242 is an abundant number, since it is smaller than the sum of its proper divisors (7706982702).

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

6531562242 is a wasteful number, since it uses less digits than its factorization.

6531562242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226334 (or 2226331 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 6531562242 is about 80818.0811576221. The cubic root of 6531562242 is about 1869.2713798039.

The spelling of 6531562242 in words is "six billion, five hundred thirty-one million, five hundred sixty-two thousand, two hundred forty-two".