10409261 has 4 divisors (see below), whose sum is σ = 10416000. Its totient is φ = 10402524.

The previous prime is 10409249. The next prime is 10409297. The reversal of 10409261 is 16290401.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10409261 - 2⁶ = 10409197 is a prime.

It is a super-2 number, since 2×10409261² = 216705429132242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10409461) 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, 230 + ... + 4568.

It is an arithmetic number, because the mean of its divisors is an integer number (2604000).

Almost surely, 2^10409261 is an apocalyptic number.

It is an amenable number.

10409261 is a deficient number, since it is larger than the sum of its proper divisors (6739).

10409261 is an equidigital number, since it uses as much as digits as its factorization.

10409261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10409261 is about 3226.3386369072. The cubic root of 10409261 is about 218.3433483483.

Adding to 10409261 its reverse (16290401), we get a palindrome (26699662).

It can be divided in two parts, 1040 and 9261, that added together give a palindrome (10301).

The spelling of 10409261 in words is "ten million, four hundred nine thousand, two hundred sixty-one".