425738 has 4 divisors (see below), whose sum is σ = 638610. Its totient is φ = 212868.

The previous prime is 425713. The next prime is 425779. The reversal of 425738 is 837524.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 339889 + 85849 = 583^2 + 293^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 425738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106433 + ... + 106436.

2⁴²⁵⁷³⁸ is an apocalyptic number.

425738 is a deficient number, since it is larger than the sum of its proper divisors (212872).

425738 is a wasteful number, since it uses less digits than its factorization.

425738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212871.

The product of its digits is 6720, while the sum is 29.

The square root of 425738 is about 652.4860151758. The cubic root of 425738 is about 75.2282233355.

The spelling of 425738 in words is "four hundred twenty-five thousand, seven hundred thirty-eight".