10305533 has 6 divisors (see below), whose sum is σ = 11988126. Its totient is φ = 8833272.

The previous prime is 10305521. The next prime is 10305539. The reversal of 10305533 is 33550301.

It can be written as a sum of positive squares in only one way, i.e., 5866084 + 4439449 = 2422^2 + 2107^2 .

It is not a de Polignac number, because 10305533 - 2⁴ = 10305517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105110 + ... + 105207.

It is an arithmetic number, because the mean of its divisors is an integer number (1998021).

Almost surely, 2^10305533 is an apocalyptic number.

It is an amenable number.

10305533 is a deficient number, since it is larger than the sum of its proper divisors (1682593).

10305533 is an equidigital number, since it uses as much as digits as its factorization.

10305533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210331 (or 210324 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 10305533 is about 3210.2232009628. The cubic root of 10305533 is about 217.6156640275.

Adding to 10305533 its reverse (33550301), we get a palindrome (43855834).

The spelling of 10305533 in words is "ten million, three hundred five thousand, five hundred thirty-three".