66283525 has 36 divisors (see below), whose sum is σ = 104323680. Its totient is φ = 41311200.

The previous prime is 66283499. The next prime is 66283559. The reversal of 66283525 is 52538266.

It is a happy number.

66283525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66283525 - 2⁹ = 66283013 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11016 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (2897880).

Almost surely, 2^66283525 is an apocalyptic number.

It is an amenable number.

66283525 is a deficient number, since it is larger than the sum of its proper divisors (38040155).

66283525 is a wasteful number, since it uses less digits than its factorization.

66283525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954 (or 4942 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 66283525 is about 8141.4694619583. The cubic root of 66283525 is about 404.7018585117.

It can be divided in two parts, 6628 and 3525, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 66283525 in words is "sixty-six million, two hundred eighty-three thousand, five hundred twenty-five".