425855506 has 8 divisors (see below), whose sum is σ = 644753520. Its totient is φ = 210937668.

The previous prime is 425855473. The next prime is 425855509. The reversal of 425855506 is 605558524.

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

It is not an unprimeable number, because it can be changed into a prime (425855509) 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, 994776 + ... + 995203.

It is an arithmetic number, because the mean of its divisors is an integer number (80594190).

Almost surely, 2^425855506 is an apocalyptic number.

425855506 is a deficient number, since it is larger than the sum of its proper divisors (218898014).

425855506 is a wasteful number, since it uses less digits than its factorization.

425855506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990088.

The product of its (nonzero) digits is 240000, while the sum is 40.

The square root of 425855506 is about 20636.2667650910. The cubic root of 425855506 is about 752.3514383161.

The spelling of 425855506 in words is "four hundred twenty-five million, eight hundred fifty-five thousand, five hundred six".