1010561 has 4 divisors (see below), whose sum is σ = 1025712. Its totient is φ = 995412.

The previous prime is 1010549. The next prime is 1010567. The reversal of 1010561 is 1650101.

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.

It is a cyclic number.

It is not a de Polignac number, because 1010561 - 2¹⁰ = 1009537 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7475 + ... + 7608.

It is an arithmetic number, because the mean of its divisors is an integer number (256428).

2^1010561 is an apocalyptic number.

It is an amenable number.

1010561 is a deficient number, since it is larger than the sum of its proper divisors (15151).

1010561 is an equidigital number, since it uses as much as digits as its factorization.

1010561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1010561 is about 1005.2666312974. The cubic root of 1010561 is about 100.3508012790.

Adding to 1010561 its reverse (1650101), we get a palindrome (2660662).

The spelling of 1010561 in words is "one million, ten thousand, five hundred sixty-one".