425973 has 4 divisors (see below), whose sum is σ = 567968. Its totient is φ = 283980.

The previous prime is 425959. The next prime is 425977. The reversal of 425973 is 379524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 425973 - 2¹⁴ = 409589 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 425973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70993 + ... + 70998.

It is an arithmetic number, because the mean of its divisors is an integer number (141992).

2⁴²⁵⁹⁷³ is an apocalyptic number.

It is an amenable number.

425973 is a deficient number, since it is larger than the sum of its proper divisors (141995).

425973 is a wasteful number, since it uses less digits than its factorization.

425973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141994.

The product of its digits is 7560, while the sum is 30.

The square root of 425973 is about 652.6660708203. Note that the first 3 decimals coincide. The cubic root of 425973 is about 75.2420623482.

The spelling of 425973 in words is "four hundred twenty-five thousand, nine hundred seventy-three".