425427 has 8 divisors (see below), whose sum is σ = 572880. Its totient is φ = 280800.

The previous prime is 425423. The next prime is 425441. The reversal of 425427 is 724524.

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

It is not a de Polignac number, because 425427 - 2² = 425423 is a prime.

425427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 425397 and 425406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425427.

It is not an unprimeable number, because it can be changed into a prime (425423) 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 7 ways as a sum of consecutive naturals, for example, 324 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (71610).

2⁴²⁵⁴²⁷ is an apocalyptic number.

425427 is a deficient number, since it is larger than the sum of its proper divisors (147453).

425427 is a wasteful number, since it uses less digits than its factorization.

425427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its digits is 2240, while the sum is 24.

The square root of 425427 is about 652.2476523530. The cubic root of 425427 is about 75.2099008957.

The spelling of 425427 in words is "four hundred twenty-five thousand, four hundred twenty-seven".