425457 has 12 divisors (see below), whose sum is σ = 630084. Its totient is φ = 276480.

The previous prime is 425443. The next prime is 425471. The reversal of 425457 is 754524.

It is an interprime number because it is at equal distance from previous prime (425443) and next prime (425471).

It can be written as a sum of positive squares in 2 ways, for example, as 159201 + 266256 = 399^2 + 516^2 .

It is not a de Polignac number, because 425457 - 2⁴ = 425441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425457.

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 425457.

It is not an unprimeable number, because it can be changed into a prime (425417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208 + ... + 945.

It is an arithmetic number, because the mean of its divisors is an integer number (52507).

2⁴²⁵⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

425457 is a deficient number, since it is larger than the sum of its proper divisors (204627).

425457 is a wasteful number, since it uses less digits than its factorization.

425457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1197 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 425457 is about 652.2706493473. The cubic root of 425457 is about 75.2116687227.

The spelling of 425457 in words is "four hundred twenty-five thousand, four hundred fifty-seven".