5356521 has 24 divisors (see below), whose sum is σ = 8126976. Its totient is φ = 3395520.

The previous prime is 5356517. The next prime is 5356529. The reversal of 5356521 is 1256535.

5356521 is a `hidden beast` number, since 5 + 3 + 5 + 652 + 1 = 666.

It is not a de Polignac number, because 5356521 - 2² = 5356517 is a prime.

5356521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5356529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20236 + ... + 20498.

It is an arithmetic number, because the mean of its divisors is an integer number (338624).

Almost surely, 2^5356521 is an apocalyptic number.

It is an amenable number.

5356521 is a deficient number, since it is larger than the sum of its proper divisors (2770455).

5356521 is a wasteful number, since it uses less digits than its factorization.

5356521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 370 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 5356521 is about 2314.4159090362. The cubic root of 5356521 is about 174.9689305387.

It can be divided in two parts, 535 and 6521, that added together give a square (7056 = 84²).

The spelling of 5356521 in words is "five million, three hundred fifty-six thousand, five hundred twenty-one".