10353521 has 4 divisors (see below), whose sum is σ = 10393152. Its totient is φ = 10313892.

The previous prime is 10353509. The next prime is 10353523. The reversal of 10353521 is 12535301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12535301 = 331 ⋅37871.

It is a cyclic number.

It is not a de Polignac number, because 10353521 - 2²² = 6159217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10353493 and 10353502.

It is not an unprimeable number, because it can be changed into a prime (10353523) 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, 19421 + ... + 19946.

It is an arithmetic number, because the mean of its divisors is an integer number (2598288).

Almost surely, 2^10353521 is an apocalyptic number.

It is an amenable number.

10353521 is a deficient number, since it is larger than the sum of its proper divisors (39631).

10353521 is an equidigital number, since it uses as much as digits as its factorization.

10353521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39630.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 10353521 is about 3217.6887668014. The cubic root of 10353521 is about 217.9529188791.

Adding to 10353521 its reverse (12535301), we get a palindrome (22888822).

The spelling of 10353521 in words is "ten million, three hundred fifty-three thousand, five hundred twenty-one".