5310521 has 4 divisors (see below), whose sum is σ = 5315700. Its totient is φ = 5305344.

The previous prime is 5310497. The next prime is 5310523. The reversal of 5310521 is 1250135.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1250135 = 5 ⋅250027.

It can be written as a sum of positive squares in 2 ways, for example, as 1836025 + 3474496 = 1355^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 5310521 - 2¹⁴ = 5294137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5310521.

It is not an unprimeable number, because it can be changed into a prime (5310523) 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, 476 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (1328925).

Almost surely, 2^5310521 is an apocalyptic number.

It is an amenable number.

5310521 is a deficient number, since it is larger than the sum of its proper divisors (5179).

5310521 is a wasteful number, since it uses less digits than its factorization.

5310521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 5310521 is about 2304.4567689588. The cubic root of 5310521 is about 174.4666318246.

Adding to 5310521 its reverse (1250135), we get a palindrome (6560656).

The spelling of 5310521 in words is "five million, three hundred ten thousand, five hundred twenty-one".