427545 has 16 divisors (see below), whose sum is σ = 760320. Its totient is φ = 227952.

The previous prime is 427541. The next prime is 427579. The reversal of 427545 is 545724.

It is not a de Polignac number, because 427545 - 2² = 427541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (427541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2⁴²⁷⁵⁴⁵ is an apocalyptic number.

427545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

427545 is a deficient number, since it is larger than the sum of its proper divisors (332775).

427545 is a wasteful number, since it uses less digits than its factorization.

427545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181 (or 3175 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 427545 is about 653.8692529856. The cubic root of 427545 is about 75.3345058597.

The spelling of 427545 in words is "four hundred twenty-seven thousand, five hundred forty-five".