425459 has 8 divisors (see below), whose sum is σ = 466560. Its totient is φ = 386176.

The previous prime is 425443. The next prime is 425471. The reversal of 425459 is 954524.

It is a happy number.

425459 is nontrivially palindromic in base 2.

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

It is a cyclic number.

It is not a de Polignac number, because 425459 - 2⁴ = 425443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

425459 is a modest number, since divided by 459 gives 425 as remainder.

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 425459.

It is not an unprimeable number, because it can be changed into a prime (425419) 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, 62 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2⁴²⁵⁴⁵⁹ is an apocalyptic number.

425459 is a deficient number, since it is larger than the sum of its proper divisors (41101).

425459 is a wasteful number, since it uses less digits than its factorization.

425459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its digits is 7200, while the sum is 29.

The square root of 425459 is about 652.2721824515. The cubic root of 425459 is about 75.2117865749.

It can be divided in two parts, 4254 and 59, that multiplied together give a triangular number (250986 = T₇₀₈).

The spelling of 425459 in words is "four hundred twenty-five thousand, four hundred fifty-nine".