4361261 has 2 divisors, whose sum is σ = 4361262. Its totient is φ = 4361260.

The previous prime is 4361257. The next prime is 4361263. The reversal of 4361261 is 1621634.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 1943236 = 1555^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 4361261 - 2² = 4361257 is a prime.

Together with 4361263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4361263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2180630 + 2180631.

It is an arithmetic number, because the mean of its divisors is an integer number (2180631).

Almost surely, 2^4361261 is an apocalyptic number.

It is an amenable number.

4361261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4361261 is an equidigital number, since it uses as much as digits as its factorization.

4361261 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4361261 is about 2088.3632346888. The cubic root of 4361261 is about 163.3819314871.

Adding to 4361261 its reverse (1621634), we get a palindrome (5982895).

The spelling of 4361261 in words is "four million, three hundred sixty-one thousand, two hundred sixty-one".