66025045 has 8 divisors (see below), whose sum is σ = 79673760. Its totient is φ = 52524240.

The previous prime is 66025039. The next prime is 66025061. The reversal of 66025045 is 54052066.

66025045 is nontrivially palindromic in base 6.

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

It is not a de Polignac number, because 66025045 - 2²³ = 57636437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35991 + ... + 37780.

It is an arithmetic number, because the mean of its divisors is an integer number (9959220).

Almost surely, 2^66025045 is an apocalyptic number.

It is an amenable number.

66025045 is a deficient number, since it is larger than the sum of its proper divisors (13648715).

66025045 is a wasteful number, since it uses less digits than its factorization.

66025045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73955.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 66025045 is about 8125.5796716296. The cubic root of 66025045 is about 404.1751132019.

The spelling of 66025045 in words is "sixty-six million, twenty-five thousand, forty-five".