6565272542 has 8 divisors (see below), whose sum is σ = 9874743456. Its totient is φ = 3273691392.

The previous prime is 6565272529. The next prime is 6565272547. The reversal of 6565272542 is 2452725656.

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

It is a junction number, because it is equal to n+sod(n) for n = 6565272493 and 6565272502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6565272547) 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, 4471523 + ... + 4472990.

It is an arithmetic number, because the mean of its divisors is an integer number (1234342932).

Almost surely, 2^6565272542 is an apocalyptic number.

6565272542 is a deficient number, since it is larger than the sum of its proper divisors (3309470914).

6565272542 is a wasteful number, since it uses less digits than its factorization.

6565272542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8944882.

The product of its digits is 1008000, while the sum is 44.

The square root of 6565272542 is about 81026.3694237870. The cubic root of 6565272542 is about 1872.4817195333.

The spelling of 6565272542 in words is "six billion, five hundred sixty-five million, two hundred seventy-two thousand, five hundred forty-two".