4163261 has 4 divisors (see below), whose sum is σ = 4382400. Its totient is φ = 3944124.

The previous prime is 4163251. The next prime is 4163267. The reversal of 4163261 is 1623614.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4163261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4163267) 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, 109541 + ... + 109578.

It is an arithmetic number, because the mean of its divisors is an integer number (1095600).

Almost surely, 2^4163261 is an apocalyptic number.

It is an amenable number.

4163261 is a deficient number, since it is larger than the sum of its proper divisors (219139).

4163261 is a wasteful number, since it uses less digits than its factorization.

4163261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219138.

The product of its digits is 864, while the sum is 23.

The square root of 4163261 is about 2040.4070672295. The cubic root of 4163261 is about 160.8710436838.

Adding to 4163261 its reverse (1623614), we get a palindrome (5786875).

The spelling of 4163261 in words is "four million, one hundred sixty-three thousand, two hundred sixty-one".