6212261 has 6 divisors (see below), whose sum is σ = 6828486. Its totient is φ = 5647400.

The previous prime is 6212243. The next prime is 6212267. The reversal of 6212261 is 1622126.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5909761 + 302500 = 2431^2 + 550^2 .

It is not a de Polignac number, because 6212261 - 2¹⁰ = 6211237 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 (6212267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25550 + ... + 25791.

It is an arithmetic number, because the mean of its divisors is an integer number (1138081).

Almost surely, 2^6212261 is an apocalyptic number.

It is an amenable number.

6212261 is a deficient number, since it is larger than the sum of its proper divisors (616225).

6212261 is a wasteful number, since it uses less digits than its factorization.

6212261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51363 (or 51352 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 6212261 is about 2492.4407716132. The cubic root of 6212261 is about 183.8300750846.

Adding to 6212261 its reverse (1622126), we get a palindrome (7834387).

It can be divided in two parts, 621 and 2261, that added together give a palindrome (2882).

The spelling of 6212261 in words is "six million, two hundred twelve thousand, two hundred sixty-one".