10263553 has 4 divisors (see below), whose sum is σ = 10803760. Its totient is φ = 9723348.

The previous prime is 10263527. The next prime is 10263557. The reversal of 10263553 is 35536201.

It is a happy number.

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: 35536201 = 83 ⋅428147.

It is a cyclic number.

It is not a de Polignac number, because 10263553 - 2⁵ = 10263521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10263557) 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, 270075 + ... + 270112.

It is an arithmetic number, because the mean of its divisors is an integer number (2700940).

Almost surely, 2^10263553 is an apocalyptic number.

It is an amenable number.

10263553 is a deficient number, since it is larger than the sum of its proper divisors (540207).

10263553 is an equidigital number, since it uses as much as digits as its factorization.

10263553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540206.

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

The square root of 10263553 is about 3203.6780425005. The cubic root of 10263553 is about 217.3197731909.

Adding to 10263553 its reverse (35536201), we get a palindrome (45799754).

It can be divided in two parts, 10263 and 553, that added together give a square (10816 = 104²).

The spelling of 10263553 in words is "ten million, two hundred sixty-three thousand, five hundred fifty-three".