66527 has 4 divisors (see below), whose sum is σ = 67536. Its totient is φ = 65520.

The previous prime is 66523. The next prime is 66529. The reversal of 66527 is 72566.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66527 - 2² = 66523 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 66496 and 66505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66523) 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, 398 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (16884).

2⁶⁶⁵²⁷ is an apocalyptic number.

66527 is a deficient number, since it is larger than the sum of its proper divisors (1009).

66527 is an equidigital number, since it uses as much as digits as its factorization.

66527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its digits is 2520, while the sum is 26.

The square root of 66527 is about 257.9282846064. The cubic root of 66527 is about 40.5196774775.

It can be divided in two parts, 6652 and 7, that multiplied together give a palindrome (46564).

The spelling of 66527 in words is "sixty-six thousand, five hundred twenty-seven".