65527971 has 8 divisors (see below), whose sum is σ = 87408720. Its totient is φ = 43666272.

The previous prime is 65527967. The next prime is 65527993. The reversal of 65527971 is 17972556.

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

It is not a de Polignac number, because 65527971 - 2² = 65527967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65527901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8725 + ... + 14393.

It is an arithmetic number, because the mean of its divisors is an integer number (10926090).

Almost surely, 2^65527971 is an apocalyptic number.

65527971 is a deficient number, since it is larger than the sum of its proper divisors (21880749).

65527971 is a wasteful number, since it uses less digits than its factorization.

65527971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9525.

The product of its digits is 132300, while the sum is 42.

The square root of 65527971 is about 8094.9348978235. The cubic root of 65527971 is about 403.1582706030.

The spelling of 65527971 in words is "sixty-five million, five hundred twenty-seven thousand, nine hundred seventy-one".