425181266 has 8 divisors (see below), whose sum is σ = 665501184. Its totient is φ = 203347540.

The previous prime is 425181257. The next prime is 425181269. The reversal of 425181266 is 662181524.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425181269) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4621490 + ... + 4621581.

It is an arithmetic number, because the mean of its divisors is an integer number (83187648).

Almost surely, 2^425181266 is an apocalyptic number.

425181266 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

425181266 is a deficient number, since it is larger than the sum of its proper divisors (240319918).

425181266 is a wasteful number, since it uses less digits than its factorization.

425181266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243096.

The product of its digits is 23040, while the sum is 35.

The square root of 425181266 is about 20619.9240056796. The cubic root of 425181266 is about 751.9541725978.

The spelling of 425181266 in words is "four hundred twenty-five million, one hundred eighty-one thousand, two hundred sixty-six".