425216325 has 24 divisors (see below), whose sum is σ = 744380928. Its totient is φ = 213441280.

The previous prime is 425216287. The next prime is 425216327. The reversal of 425216325 is 523612524.

It is not a de Polignac number, because 425216325 - 2⁶ = 425216261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425216292 and 425216301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425216327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165477 + ... + 168026.

It is an arithmetic number, because the mean of its divisors is an integer number (31015872).

Almost surely, 2^425216325 is an apocalyptic number.

It is an amenable number.

425216325 is a deficient number, since it is larger than the sum of its proper divisors (319164603).

425216325 is a wasteful number, since it uses less digits than its factorization.

425216325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333533 (or 333528 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 425216325 is about 20620.7741125303. The cubic root of 425216325 is about 751.9748398903.

Adding to 425216325 its reverse (523612524), we get a palindrome (948828849).

The spelling of 425216325 in words is "four hundred twenty-five million, two hundred sixteen thousand, three hundred twenty-five".