425203321 has 4 divisors (see below), whose sum is σ = 425245312. Its totient is φ = 425161332.

The previous prime is 425203271. The next prime is 425203343. The reversal of 425203321 is 123302524.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 425203321 - 2⁷ = 425203193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425203292 and 425203301.

It is not an unprimeable number, because it can be changed into a prime (425203351) 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, 4576 + ... + 29518.

It is an arithmetic number, because the mean of its divisors is an integer number (106311328).

Almost surely, 2^425203321 is an apocalyptic number.

It is an amenable number.

425203321 is a deficient number, since it is larger than the sum of its proper divisors (41991).

425203321 is a wasteful number, since it uses less digits than its factorization.

425203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41990.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 425203321 is about 20620.4587970297. The cubic root of 425203321 is about 751.9671741603.

Adding to 425203321 its reverse (123302524), we get a palindrome (548505845).

It can be divided in two parts, 425203 and 321, that added together give a palindrome (425524).

The spelling of 425203321 in words is "four hundred twenty-five million, two hundred three thousand, three hundred twenty-one".