10509533 has 2 divisors, whose sum is σ = 10509534. Its totient is φ = 10509532.

The previous prime is 10509523. The next prime is 10509539. The reversal of 10509533 is 33590501.

10509533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8543929 + 1965604 = 2923^2 + 1402^2 .

It is a cyclic number.

It is not a de Polignac number, because 10509533 - 2⁶ = 10509469 is a prime.

It is a super-2 number, since 2×10509533² = 220900567756178, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10509539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5254766 + 5254767.

It is an arithmetic number, because the mean of its divisors is an integer number (5254767).

Almost surely, 2^10509533 is an apocalyptic number.

It is an amenable number.

10509533 is a deficient number, since it is larger than the sum of its proper divisors (1).

10509533 is an equidigital number, since it uses as much as digits as its factorization.

10509533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 10509533 is about 3241.8409893146. The cubic root of 10509533 is about 219.0422067203.

The spelling of 10509533 in words is "ten million, five hundred nine thousand, five hundred thirty-three".