425142066 has 8 divisors (see below), whose sum is σ = 850284144. Its totient is φ = 141714020.

The previous prime is 425142061. The next prime is 425142077. The reversal of 425142066 is 660241524.

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

425142066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (425142061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35428500 + ... + 35428511.

It is an arithmetic number, because the mean of its divisors is an integer number (106285518).

Almost surely, 2^425142066 is an apocalyptic number.

425142066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425142066 is a wasteful number, since it uses less digits than its factorization.

425142066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70857016.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 425142066 is about 20618.9734468038. The cubic root of 425142066 is about 751.9310628390.

The spelling of 425142066 in words is "four hundred twenty-five million, one hundred forty-two thousand, sixty-six".