10206261 has 24 divisors (see below), whose sum is σ = 16082976. Its totient is φ = 6199200.

The previous prime is 10206257. The next prime is 10206269. The reversal of 10206261 is 16260201.

It is a happy number.

It is not a de Polignac number, because 10206261 - 2² = 10206257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9186 + ... + 10236.

It is an arithmetic number, because the mean of its divisors is an integer number (670124).

Almost surely, 2^10206261 is an apocalyptic number.

It is an amenable number.

10206261 is a deficient number, since it is larger than the sum of its proper divisors (5876715).

10206261 is a wasteful number, since it uses less digits than its factorization.

10206261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10206261 is about 3194.7239317349. The cubic root of 10206261 is about 216.9146528110.

Adding to 10206261 its reverse (16260201), we get a palindrome (26466462).

The spelling of 10206261 in words is "ten million, two hundred six thousand, two hundred sixty-one".