10280555 has 4 divisors (see below), whose sum is σ = 12336672. Its totient is φ = 8224440.

The previous prime is 10280551. The next prime is 10280591. The reversal of 10280555 is 55508201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55508201 = 7 ⋅7929743.

It is not a de Polignac number, because 10280555 - 2² = 10280551 is a prime.

It is a super-2 number, since 2×10280555² = 211379622216050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10280551) 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, 1028051 + ... + 1028060.

It is an arithmetic number, because the mean of its divisors is an integer number (3084168).

Almost surely, 2^10280555 is an apocalyptic number.

10280555 is a deficient number, since it is larger than the sum of its proper divisors (2056117).

10280555 is an equidigital number, since it uses as much as digits as its factorization.

10280555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056116.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 10280555 is about 3206.3304570802. The cubic root of 10280555 is about 217.4397067209.

Adding to 10280555 its reverse (55508201), we get a palindrome (65788756).

The spelling of 10280555 in words is "ten million, two hundred eighty thousand, five hundred fifty-five".