10281001 has 4 divisors (see below), whose sum is σ = 10449604. Its totient is φ = 10112400.

The previous prime is 10280987. The next prime is 10281017. The reversal of 10281001 is 10018201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5546025 + 4734976 = 2355^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 10281001 - 2⁹ = 10280489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10281041) 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, 84210 + ... + 84331.

It is an arithmetic number, because the mean of its divisors is an integer number (2612401).

Almost surely, 2^10281001 is an apocalyptic number.

It is an amenable number.

10281001 is a deficient number, since it is larger than the sum of its proper divisors (168603).

10281001 is an equidigital number, since it uses as much as digits as its factorization.

10281001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168602.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 10281001 is about 3206.4000062375. The cubic root of 10281001 is about 217.4428510618.

Adding to 10281001 its reverse (10018201), we get a palindrome (20299202).

The spelling of 10281001 in words is "ten million, two hundred eighty-one thousand, one".