425769 has 8 divisors (see below), whose sum is σ = 570720. Its totient is φ = 282336.

The previous prime is 425713. The next prime is 425779. The reversal of 425769 is 967524.

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

It is not a de Polignac number, because 425769 - 2⁷ = 425641 is a prime.

It is a super-2 number, since 2×425769² = 362558482722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425779) 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, 837 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (71340).

2⁴²⁵⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

425769 is a deficient number, since it is larger than the sum of its proper divisors (144951).

425769 is a wasteful number, since it uses less digits than its factorization.

425769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its digits is 15120, while the sum is 33.

The square root of 425769 is about 652.5097700418. The cubic root of 425769 is about 75.2300491990.

The spelling of 425769 in words is "four hundred twenty-five thousand, seven hundred sixty-nine".