66265325 has 24 divisors (see below), whose sum is σ = 94315392. Its totient is φ = 45241920.

The previous prime is 66265313. The next prime is 66265327. The reversal of 66265325 is 52356266.

It is not a de Polignac number, because 66265325 - 2¹⁰ = 66264301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66265327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47792 + ... + 49158.

It is an arithmetic number, because the mean of its divisors is an integer number (3929808).

Almost surely, 2^66265325 is an apocalyptic number.

It is an amenable number.

66265325 is a deficient number, since it is larger than the sum of its proper divisors (28050067).

66265325 is a wasteful number, since it uses less digits than its factorization.

66265325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1656 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 66265325 is about 8140.3516508809. The cubic root of 66265325 is about 404.6648143741.

The spelling of 66265325 in words is "sixty-six million, two hundred sixty-five thousand, three hundred twenty-five".