66025235 has 8 divisors (see below), whose sum is σ = 79277616. Its totient is φ = 52788640.

The previous prime is 66025231. The next prime is 66025291. The reversal of 66025235 is 53252066.

It is a happy number.

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

It is not a de Polignac number, because 66025235 - 2² = 66025231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66025198 and 66025207.

It is not an unprimeable number, because it can be changed into a prime (66025231) 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, 9317 + ... + 14793.

It is an arithmetic number, because the mean of its divisors is an integer number (9909702).

Almost surely, 2^66025235 is an apocalyptic number.

66025235 is a deficient number, since it is larger than the sum of its proper divisors (13252381).

66025235 is a wasteful number, since it uses less digits than its factorization.

66025235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893.

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

The square root of 66025235 is about 8125.5913630948. The cubic root of 66025235 is about 404.1755008992.

The spelling of 66025235 in words is "sixty-six million, twenty-five thousand, two hundred thirty-five".