10206961 has 4 divisors (see below), whose sum is σ = 10243312. Its totient is φ = 10170612.

The previous prime is 10206949. The next prime is 10206983. The reversal of 10206961 is 16960201.

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: 16960201 = 257 ⋅65993.

It is a cyclic number.

It is not a de Polignac number, because 10206961 - 2⁵ = 10206929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10206901) 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, 17751 + ... + 18316.

It is an arithmetic number, because the mean of its divisors is an integer number (2560828).

Almost surely, 2^10206961 is an apocalyptic number.

It is an amenable number.

10206961 is a deficient number, since it is larger than the sum of its proper divisors (36351).

10206961 is an equidigital number, since it uses as much as digits as its factorization.

10206961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36350.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 10206961 is about 3194.8334854887. The cubic root of 10206961 is about 216.9196117535.

The spelling of 10206961 in words is "ten million, two hundred six thousand, nine hundred sixty-one".