425397 has 16 divisors (see below), whose sum is σ = 663552. Its totient is φ = 237360.

The previous prime is 425393. The next prime is 425417. The reversal of 425397 is 793524.

It is not a de Polignac number, because 425397 - 2² = 425393 is a prime.

It is an Ulam number.

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 425397.

It is not an unprimeable number, because it can be changed into a prime (425393) 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 15 ways as a sum of consecutive naturals, for example, 772 + ... + 1202.

It is an arithmetic number, because the mean of its divisors is an integer number (41472).

2⁴²⁵³⁹⁷ is an apocalyptic number.

425397 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

425397 is a deficient number, since it is larger than the sum of its proper divisors (238155).

425397 is a wasteful number, since it uses less digits than its factorization.

425397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

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

The square root of 425397 is about 652.2246545478. The cubic root of 425397 is about 75.2081329856.

The spelling of 425397 in words is "four hundred twenty-five thousand, three hundred ninety-seven".