66025532 has 24 divisors (see below), whose sum is σ = 121956240. Its totient is φ = 31190400.

The previous prime is 66025529. The next prime is 66025537. The reversal of 66025532 is 23552066.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66025495 and 66025504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66025537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33782 + ... + 35682.

It is an arithmetic number, because the mean of its divisors is an integer number (5081510).

Almost surely, 2^66025532 is an apocalyptic number.

It is an amenable number.

66025532 is a deficient number, since it is larger than the sum of its proper divisors (55930708).

66025532 is a wasteful number, since it uses less digits than its factorization.

66025532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2379 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 66025532 is about 8125.6096386671. The cubic root of 66025532 is about 404.1761069299.

Adding to 66025532 its reverse (23552066), we get a palindrome (89577598).

The spelling of 66025532 in words is "sixty-six million, twenty-five thousand, five hundred thirty-two".