427134825 has 108 divisors (see below), whose sum is σ = 849588480. Its totient is φ = 204946560.

The previous prime is 427134821. The next prime is 427134847. The reversal of 427134825 is 528431724.

It is a happy number.

It is not a de Polignac number, because 427134825 - 2² = 427134821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427134825.

It is not an unprimeable number, because it can be changed into a prime (427134821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1787056 + ... + 1787294.

It is an arithmetic number, because the mean of its divisors is an integer number (7866560).

Almost surely, 2^427134825 is an apocalyptic number.

427134825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

427134825 is a deficient number, since it is larger than the sum of its proper divisors (422453655).

427134825 is a wasteful number, since it uses less digits than its factorization.

427134825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 307 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 427134825 is about 20667.2403818217. The cubic root of 427134825 is about 753.1040686205.

The spelling of 427134825 in words is "four hundred twenty-seven million, one hundred thirty-four thousand, eight hundred twenty-five".