6361261 has 2 divisors, whose sum is σ = 6361262. Its totient is φ = 6361260.

The previous prime is 6361241. The next prime is 6361279. The reversal of 6361261 is 1621636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6280036 + 81225 = 2506^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 6361261 - 2²¹ = 4264109 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6361241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3180630 + 3180631.

It is an arithmetic number, because the mean of its divisors is an integer number (3180631).

Almost surely, 2^6361261 is an apocalyptic number.

It is an amenable number.

6361261 is a deficient number, since it is larger than the sum of its proper divisors (1).

6361261 is an equidigital number, since it uses as much as digits as its factorization.

6361261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 6361261 is about 2522.1540397050. The cubic root of 6361261 is about 185.2881897392.

Adding to 6361261 its reverse (1621636), we get a palindrome (7982897).

The spelling of 6361261 in words is "six million, three hundred sixty-one thousand, two hundred sixty-one".