5230521 has 8 divisors (see below), whose sum is σ = 7748960. Its totient is φ = 3486996.

The previous prime is 5230513. The next prime is 5230553. The reversal of 5230521 is 1250325.

It is a happy number.

It is not a de Polignac number, because 5230521 - 2³ = 5230513 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 5230494 and 5230503.

It is not an unprimeable number, because it can be changed into a prime (5230021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96835 + ... + 96888.

It is an arithmetic number, because the mean of its divisors is an integer number (968620).

Almost surely, 2^5230521 is an apocalyptic number.

It is an amenable number.

5230521 is a deficient number, since it is larger than the sum of its proper divisors (2518439).

5230521 is a wasteful number, since it uses less digits than its factorization.

5230521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193732 (or 193726 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 5230521 is about 2287.0332310660. The cubic root of 5230521 is about 173.5861149852.

Adding to 5230521 its reverse (1250325), we get a palindrome (6480846).

It can be divided in two parts, 52305 and 21, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 5230521 in words is "five million, two hundred thirty thousand, five hundred twenty-one".