4213261 has 4 divisors (see below), whose sum is σ = 4537372. Its totient is φ = 3889152.

The previous prime is 4213217. The next prime is 4213277. The reversal of 4213261 is 1623124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189225 + 4024036 = 435^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 4213261 - 2⁷ = 4213133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4219261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162036 + ... + 162061.

It is an arithmetic number, because the mean of its divisors is an integer number (1134343).

Almost surely, 2^4213261 is an apocalyptic number.

It is an amenable number.

4213261 is a deficient number, since it is larger than the sum of its proper divisors (324111).

4213261 is a wasteful number, since it uses less digits than its factorization.

4213261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324110.

The product of its digits is 288, while the sum is 19.

The square root of 4213261 is about 2052.6229561222. The cubic root of 4213261 is about 161.5124931627.

Adding to 4213261 its reverse (1623124), we get a palindrome (5836385).

The spelling of 4213261 in words is "four million, two hundred thirteen thousand, two hundred sixty-one".