425146 has 4 divisors (see below), whose sum is σ = 637722. Its totient is φ = 212572.

The previous prime is 425123. The next prime is 425147. The reversal of 425146 is 641524.

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., 261121 + 164025 = 511^2 + 405^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (425147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106285 + ... + 106288.

2⁴²⁵¹⁴⁶ is an apocalyptic number.

425146 is a deficient number, since it is larger than the sum of its proper divisors (212576).

425146 is a wasteful number, since it uses less digits than its factorization.

425146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212575.

The product of its digits is 960, while the sum is 22.

The square root of 425146 is about 652.0322077934. The cubic root of 425146 is about 75.1933382132.

The spelling of 425146 in words is "four hundred twenty-five thousand, one hundred forty-six".