10196561 has 4 divisors (see below), whose sum is σ = 10248000. Its totient is φ = 10145124.

The previous prime is 10196539. The next prime is 10196569. The reversal of 10196561 is 16569101.

10196561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16569101 = 17 ⋅974653.

It is a cyclic number.

It is not a de Polignac number, because 10196561 - 2²² = 6002257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10196569) 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, 25421 + ... + 25818.

It is an arithmetic number, because the mean of its divisors is an integer number (2562000).

Almost surely, 2^10196561 is an apocalyptic number.

It is an amenable number.

10196561 is a deficient number, since it is larger than the sum of its proper divisors (51439).

10196561 is an equidigital number, since it uses as much as digits as its factorization.

10196561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51438.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 10196561 is about 3193.2054428113. The cubic root of 10196561 is about 216.8459126833.

The spelling of 10196561 in words is "ten million, one hundred ninety-six thousand, five hundred sixty-one".