425135205 has 24 divisors (see below), whose sum is σ = 803892960. Its totient is φ = 206125920.

The previous prime is 425135177. The next prime is 425135219. The reversal of 425135205 is 502531524.

It is a happy number.

425135205 is a `hidden beast` number, since 425 + 1 + 35 + 205 = 666.

It is not a de Polignac number, because 425135205 - 2⁵ = 425135173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428935 + ... + 429924.

It is an arithmetic number, because the mean of its divisors is an integer number (33495540).

Almost surely, 2^425135205 is an apocalyptic number.

425135205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425135205 is a deficient number, since it is larger than the sum of its proper divisors (378757755).

425135205 is a wasteful number, since it uses less digits than its factorization.

425135205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858881 (or 858878 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 425135205 is about 20618.8070702454. The cubic root of 425135205 is about 751.9270178956.

Adding to 425135205 its reverse (502531524), we get a palindrome (927666729).

The spelling of 425135205 in words is "four hundred twenty-five million, one hundred thirty-five thousand, two hundred five".