10280663 has 4 divisors (see below), whose sum is σ = 10421568. Its totient is φ = 10139760.

The previous prime is 10280651. The next prime is 10280671. The reversal of 10280663 is 36608201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10280663 - 2¹⁰ = 10279639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10280693) 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, 70343 + ... + 70488.

It is an arithmetic number, because the mean of its divisors is an integer number (2605392).

Almost surely, 2^10280663 is an apocalyptic number.

10280663 is a deficient number, since it is larger than the sum of its proper divisors (140905).

10280663 is an equidigital number, since it uses as much as digits as its factorization.

10280663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140904.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10280663 is about 3206.3472987186. The cubic root of 10280663 is about 217.4404681392.

Adding to 10280663 its reverse (36608201), we get a palindrome (46888864).

The spelling of 10280663 in words is "ten million, two hundred eighty thousand, six hundred sixty-three".