10010561 has 4 divisors (see below), whose sum is σ = 10920624. Its totient is φ = 9100500.

The previous prime is 10010531. The next prime is 10010573. The reversal of 10010561 is 16501001.

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 10010561 - 2¹⁴ = 9994177 is a prime.

It is a super-2 number, since 2×10010561² = 200422663069442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10010531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455015 + ... + 455036.

It is an arithmetic number, because the mean of its divisors is an integer number (2730156).

Almost surely, 2^10010561 is an apocalyptic number.

10010561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10010561 is a deficient number, since it is larger than the sum of its proper divisors (910063).

10010561 is an equidigital number, since it uses as much as digits as its factorization.

10010561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910062.

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

The square root of 10010561 is about 3163.9470602398. The cubic root of 10010561 is about 215.5192856020.

Adding to 10010561 its sum of digits (14), we get a triangular number (10010575 = T₄₄₇₄).

Adding to 10010561 its reverse (16501001), we get a palindrome (26511562).

The spelling of 10010561 in words is "ten million, ten thousand, five hundred sixty-one".