425487 has 4 divisors (see below), whose sum is σ = 567320. Its totient is φ = 283656.

The previous prime is 425473. The next prime is 425489. The reversal of 425487 is 784524.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 425487 - 2⁴ = 425471 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425487.

It is not an unprimeable number, because it can be changed into a prime (425489) 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, 70912 + ... + 70917.

It is an arithmetic number, because the mean of its divisors is an integer number (141830).

2⁴²⁵⁴⁸⁷ is an apocalyptic number.

425487 is a deficient number, since it is larger than the sum of its proper divisors (141833).

425487 is a wasteful number, since it uses less digits than its factorization.

425487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141832.

The product of its digits is 8960, while the sum is 30.

The square root of 425487 is about 652.2936455309. The cubic root of 425487 is about 75.2134364666.

The spelling of 425487 in words is "four hundred twenty-five thousand, four hundred eighty-seven".