4509425 has 12 divisors (see below), whose sum is σ = 5685276. Its totient is φ = 3547200.

The previous prime is 4509419. The next prime is 4509451. The reversal of 4509425 is 5249054.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1495729 + 3013696 = 1223^2 + 1736^2 .

It is not a de Polignac number, because 4509425 - 2⁴ = 4509409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47 + ... + 3003.

It is an arithmetic number, because the mean of its divisors is an integer number (473773).

Almost surely, 2^4509425 is an apocalyptic number.

It is an amenable number.

4509425 is a deficient number, since it is larger than the sum of its proper divisors (1175851).

4509425 is a wasteful number, since it uses less digits than its factorization.

4509425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028 (or 3023 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4509425 is about 2123.5406753816. The cubic root of 4509425 is about 165.2115437882.

The spelling of 4509425 in words is "four million, five hundred nine thousand, four hundred twenty-five".