425787 has 8 divisors (see below), whose sum is σ = 576000. Its totient is φ = 279720.

The previous prime is 425783. The next prime is 425791. The reversal of 425787 is 787524.

It is an interprime number because it is at equal distance from previous prime (425783) and next prime (425791).

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

It is not a de Polignac number, because 425787 - 2² = 425783 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425787.

It is not an unprimeable number, because it can be changed into a prime (425783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787 + ... + 1212.

It is an arithmetic number, because the mean of its divisors is an integer number (72000).

2⁴²⁵⁷⁸⁷ is an apocalyptic number.

425787 is a deficient number, since it is larger than the sum of its proper divisors (150213).

425787 is a wasteful number, since it uses less digits than its factorization.

425787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073.

The product of its digits is 15680, while the sum is 33.

The square root of 425787 is about 652.5235627929. The cubic root of 425787 is about 75.2311093371.

The spelling of 425787 in words is "four hundred twenty-five thousand, seven hundred eighty-seven".