4856521 has 4 divisors (see below), whose sum is σ = 4891600. Its totient is φ = 4821444.

The previous prime is 4856503. The next prime is 4856531. The reversal of 4856521 is 1256584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4856521 - 2²¹ = 2759369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4856531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17331 + ... + 17608.

It is an arithmetic number, because the mean of its divisors is an integer number (1222900).

Almost surely, 2^4856521 is an apocalyptic number.

It is an amenable number.

4856521 is a deficient number, since it is larger than the sum of its proper divisors (35079).

4856521 is a wasteful number, since it uses less digits than its factorization.

4856521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35078.

The product of its digits is 9600, while the sum is 31.

The square root of 4856521 is about 2203.7515740210. The cubic root of 4856521 is about 169.3460574721.

The spelling of 4856521 in words is "four million, eight hundred fifty-six thousand, five hundred twenty-one".