66262425 has 48 divisors (see below), whose sum is σ = 115706880. Its totient is φ = 33394240.

The previous prime is 66262421. The next prime is 66262439. The reversal of 66262425 is 52426266.

It is not a de Polignac number, because 66262425 - 2² = 66262421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66262421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184396 + ... + 184754.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 2^66262425 is an apocalyptic number.

It is an amenable number.

66262425 is a deficient number, since it is larger than the sum of its proper divisors (49444455).

66262425 is a wasteful number, since it uses less digits than its factorization.

66262425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 497 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 66262425 is about 8140.1735239490. The cubic root of 66262425 is about 404.6589111103.

The spelling of 66262425 in words is "sixty-six million, two hundred sixty-two thousand, four hundred twenty-five".