10553261 has 2 divisors, whose sum is σ = 10553262. Its totient is φ = 10553260.

The previous prime is 10553233. The next prime is 10553281. The reversal of 10553261 is 16235501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5669161 + 4884100 = 2381^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 10553261 - 2⁶ = 10553197 is a prime.

It is a super-2 number, since 2×10553261² = 222742635468242, 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 (10553281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5276630 + 5276631.

It is an arithmetic number, because the mean of its divisors is an integer number (5276631).

Almost surely, 2^10553261 is an apocalyptic number.

It is an amenable number.

10553261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10553261 is an equidigital number, since it uses as much as digits as its factorization.

10553261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 10553261 is about 3248.5783044280. The cubic root of 10553261 is about 219.3455828337.

Adding to 10553261 its reverse (16235501), we get a palindrome (26788762).

The spelling of 10553261 in words is "ten million, five hundred fifty-three thousand, two hundred sixty-one".