8455261 has 2 divisors, whose sum is σ = 8455262. Its totient is φ = 8455260.

The previous prime is 8455259. The next prime is 8455297. The reversal of 8455261 is 1625548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4435236 + 4020025 = 2106^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 8455261 - 2¹ = 8455259 is a prime.

Together with 8455259, 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 (8455241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4227630 + 4227631.

It is an arithmetic number, because the mean of its divisors is an integer number (4227631).

Almost surely, 2^8455261 is an apocalyptic number.

It is an amenable number.

8455261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8455261 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 11 representation: 8455261 = (4855621)₁₁.

8455261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

The square root of 8455261 is about 2907.7931494520. The cubic root of 8455261 is about 203.7240678603.

The spelling of 8455261 in words is "eight million, four hundred fifty-five thousand, two hundred sixty-one".