4245425 has 6 divisors (see below), whose sum is σ = 5264358. Its totient is φ = 3396320.

The previous prime is 4245413. The next prime is 4245443. The reversal of 4245425 is 5245424.

It can be written as a sum of positive squares in 3 ways, for example, as 388129 + 3857296 = 623^2 + 1964^2 .

It is not a de Polignac number, because 4245425 - 2⁶ = 4245361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4245394 and 4245403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84884 + ... + 84933.

It is an arithmetic number, because the mean of its divisors is an integer number (877393).

Almost surely, 2^4245425 is an apocalyptic number.

It is an amenable number.

4245425 is a deficient number, since it is larger than the sum of its proper divisors (1018933).

4245425 is a wasteful number, since it uses less digits than its factorization.

4245425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169827 (or 169822 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 4245425 is about 2060.4429135504. The cubic root of 4245425 is about 161.9224467487.

Subtracting 4245425 from its reverse (5245424), we obtain a palindrome (999999).

The spelling of 4245425 in words is "four million, two hundred forty-five thousand, four hundred twenty-five".