4825521 has 16 divisors (see below), whose sum is σ = 7184320. Its totient is φ = 3201120.

The previous prime is 4825517. The next prime is 4825523. The reversal of 4825521 is 1255284.

It is a happy number.

It is not a de Polignac number, because 4825521 - 2² = 4825517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4825523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8166 + ... + 8736.

It is an arithmetic number, because the mean of its divisors is an integer number (449020).

Almost surely, 2^4825521 is an apocalyptic number.

It is an amenable number.

4825521 is a deficient number, since it is larger than the sum of its proper divisors (2358799).

4825521 is a wasteful number, since it uses less digits than its factorization.

4825521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 887 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 4825521 is about 2196.7068534513. The cubic root of 4825521 is about 168.9849665093.

The spelling of 4825521 in words is "four million, eight hundred twenty-five thousand, five hundred twenty-one".