10180561 has 6 divisors (see below), whose sum is σ = 10744962. Its totient is φ = 9644400.

The previous prime is 10180553. The next prime is 10180579. The reversal of 10180561 is 16508101.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 938961 = 3040^2 + 969^2 .

It is not a de Polignac number, because 10180561 - 2³ = 10180553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10180591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13740 + ... + 14461.

It is an arithmetic number, because the mean of its divisors is an integer number (1790827).

Almost surely, 2^10180561 is an apocalyptic number.

It is an amenable number.

10180561 is a deficient number, since it is larger than the sum of its proper divisors (564401).

10180561 is an equidigital number, since it uses as much as digits as its factorization.

10180561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28239 (or 28220 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 10180561 is about 3190.6991396871. The cubic root of 10180561 is about 216.7324315814.

Adding to 10180561 its reverse (16508101), we get a palindrome (26688662).

The spelling of 10180561 in words is "ten million, one hundred eighty thousand, five hundred sixty-one".