425747 has 4 divisors (see below), whose sum is σ = 486576. Its totient is φ = 364920.

The previous prime is 425713. The next prime is 425779. The reversal of 425747 is 747524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425147) 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, 30404 + ... + 30417.

It is an arithmetic number, because the mean of its divisors is an integer number (121644).

2⁴²⁵⁷⁴⁷ is an apocalyptic number.

425747 is a deficient number, since it is larger than the sum of its proper divisors (60829).

425747 is an equidigital number, since it uses as much as digits as its factorization.

425747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60828.

The product of its digits is 7840, while the sum is 29.

The square root of 425747 is about 652.4929118389. The cubic root of 425747 is about 75.2287534341.

The spelling of 425747 in words is "four hundred twenty-five thousand, seven hundred forty-seven".