10256533 has 6 divisors (see below), whose sum is σ = 11931126. Its totient is φ = 8791272.

The previous prime is 10256531. The next prime is 10256539. The reversal of 10256533 is 33565201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5207524 + 5049009 = 2282^2 + 2247^2 .

It is not a de Polignac number, because 10256533 - 2¹ = 10256531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10256498 and 10256507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256531) 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, 104610 + ... + 104707.

It is an arithmetic number, because the mean of its divisors is an integer number (1988521).

Almost surely, 2^10256533 is an apocalyptic number.

It is an amenable number.

10256533 is a deficient number, since it is larger than the sum of its proper divisors (1674593).

10256533 is an equidigital number, since it uses as much as digits as its factorization.

10256533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209331 (or 209324 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 10256533 is about 3202.5822393812. The cubic root of 10256533 is about 217.2702148895.

The spelling of 10256533 in words is "ten million, two hundred fifty-six thousand, five hundred thirty-three".