425402 has 4 divisors (see below), whose sum is σ = 638106. Its totient is φ = 212700.

The previous prime is 425393. The next prime is 425417. The reversal of 425402 is 204524.

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., 303601 + 121801 = 551^2 + 349^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425402.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 106349 + ... + 106352.

2⁴²⁵⁴⁰² is an apocalyptic number.

425402 is a deficient number, since it is larger than the sum of its proper divisors (212704).

425402 is a wasteful number, since it uses less digits than its factorization.

425402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212703.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 425402 is about 652.2284875716. The cubic root of 425402 is about 75.2084276431.

Adding to 425402 its reverse (204524), we get a palindrome (629926).

The spelling of 425402 in words is "four hundred twenty-five thousand, four hundred two".