8363261 has 2 divisors, whose sum is σ = 8363262. Its totient is φ = 8363260.

The previous prime is 8363239. The next prime is 8363279. The reversal of 8363261 is 1623638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5784025 + 2579236 = 2405^2 + 1606^2 .

It is a cyclic number.

It is not a de Polignac number, because 8363261 - 2⁶ = 8363197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8363231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4181630 + 4181631.

It is an arithmetic number, because the mean of its divisors is an integer number (4181631).

Almost surely, 2^8363261 is an apocalyptic number.

It is an amenable number.

8363261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8363261 is an equidigital number, since it uses as much as digits as its factorization.

8363261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 8363261 is about 2891.9303241952. The cubic root of 8363261 is about 202.9824780431.

Adding to 8363261 its reverse (1623638), we get a palindrome (9986899).

The spelling of 8363261 in words is "eight million, three hundred sixty-three thousand, two hundred sixty-one".