4521285 has 32 divisors (see below), whose sum is σ = 8138880. Its totient is φ = 2381184.

The previous prime is 4521241. The next prime is 4521299. The reversal of 4521285 is 5821254.

It is a happy number.

It is not a de Polignac number, because 4521285 - 2⁷ = 4521157 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14289 + ... + 14601.

It is an arithmetic number, because the mean of its divisors is an integer number (254340).

Almost surely, 2^4521285 is an apocalyptic number.

4521285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4521285 is a deficient number, since it is larger than the sum of its proper divisors (3617595).

4521285 is a wasteful number, since it uses less digits than its factorization.

4521285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 428 counting only the distinct ones).

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

The square root of 4521285 is about 2126.3313476502. The cubic root of 4521285 is about 165.3562550419.

The spelling of 4521285 in words is "four million, five hundred twenty-one thousand, two hundred eighty-five".