4545625 has 20 divisors (see below), whose sum is σ = 6497920. Its totient is φ = 3114000.

The previous prime is 4545601. The next prime is 4545641. The reversal of 4545625 is 5265454.

It is not a de Polignac number, because 4545625 - 2⁹ = 4545113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3856 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (324896).

Almost surely, 2^4545625 is an apocalyptic number.

It is an amenable number.

4545625 is a deficient number, since it is larger than the sum of its proper divisors (1952295).

4545625 is an equidigital number, since it uses as much as digits as its factorization.

4545625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1051 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 4545625 is about 2132.0471383157. The cubic root of 4545625 is about 165.6524518399.

The spelling of 4545625 in words is "four million, five hundred forty-five thousand, six hundred twenty-five".