5345521 has 4 divisors (see below), whose sum is σ = 5373412. Its totient is φ = 5317632.

The previous prime is 5345513. The next prime is 5345537. The reversal of 5345521 is 1255435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1255435 = 5 ⋅251087.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 4840000 = 711^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 5345521 - 2³ = 5345513 is a prime.

It is a super-2 number, since 2×5345521² = 57149189522882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5345581) 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, 13656 + ... + 14041.

It is an arithmetic number, because the mean of its divisors is an integer number (1343353).

Almost surely, 2^5345521 is an apocalyptic number.

It is an amenable number.

5345521 is a deficient number, since it is larger than the sum of its proper divisors (27891).

5345521 is a wasteful number, since it uses less digits than its factorization.

5345521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27890.

The product of its digits is 3000, while the sum is 25.

The square root of 5345521 is about 2312.0382782298. The cubic root of 5345521 is about 174.8490780439.

The spelling of 5345521 in words is "five million, three hundred forty-five thousand, five hundred twenty-one".