425451 has 8 divisors (see below), whose sum is σ = 610960. Its totient is φ = 261792.

The previous prime is 425443. The next prime is 425471. The reversal of 425451 is 154524.

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

It is not a de Polignac number, because 425451 - 2³ = 425443 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425451.

It is not an unprimeable number, because it can be changed into a prime (425441) 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, 5416 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (76370).

2⁴²⁵⁴⁵¹ is an apocalyptic number.

425451 is a deficient number, since it is larger than the sum of its proper divisors (185509).

425451 is a wasteful number, since it uses less digits than its factorization.

425451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10925.

The product of its digits is 800, while the sum is 21.

The square root of 425451 is about 652.2660500133. The cubic root of 425451 is about 75.2113151640.

Adding to 425451 its reverse (154524), we get a palindrome (579975).

The spelling of 425451 in words is "four hundred twenty-five thousand, four hundred fifty-one".