10638533 has 2 divisors, whose sum is σ = 10638534. Its totient is φ = 10638532.

The previous prime is 10638517. The next prime is 10638539. The reversal of 10638533 is 33583601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10349089 + 289444 = 3217^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 10638533 - 2⁴ = 10638517 is a prime.

It is a super-2 number, since 2×10638533² = 226356768784178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10638496 and 10638505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10638539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5319266 + 5319267.

It is an arithmetic number, because the mean of its divisors is an integer number (5319267).

Almost surely, 2^10638533 is an apocalyptic number.

It is an amenable number.

10638533 is a deficient number, since it is larger than the sum of its proper divisors (1).

10638533 is an equidigital number, since it uses as much as digits as its factorization.

10638533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 10638533 is about 3261.6764094557. The cubic root of 10638533 is about 219.9347809432.

The spelling of 10638533 in words is "ten million, six hundred thirty-eight thousand, five hundred thirty-three".