425221303 has 4 divisors (see below), whose sum is σ = 457930648. Its totient is φ = 392511960.

The previous prime is 425221297. The next prime is 425221333. The reversal of 425221303 is 303122524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425221303 - 2⁵ = 425221271 is a prime.

It is a super-3 number, since 3×425221303³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425221333) 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, 16354653 + ... + 16354678.

It is an arithmetic number, because the mean of its divisors is an integer number (114482662).

Almost surely, 2^425221303 is an apocalyptic number.

425221303 is a deficient number, since it is larger than the sum of its proper divisors (32709345).

425221303 is a wasteful number, since it uses less digits than its factorization.

425221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32709344.

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

The square root of 425221303 is about 20620.8948156960. The cubic root of 425221303 is about 751.9777743309.

Adding to 425221303 its reverse (303122524), we get a palindrome (728343827).

It can be divided in two parts, 425221 and 303, that added together give a palindrome (425524).

The spelling of 425221303 in words is "four hundred twenty-five million, two hundred twenty-one thousand, three hundred three".