455018261 has 2 divisors, whose sum is σ = 455018262. Its totient is φ = 455018260.

The previous prime is 455018227. The next prime is 455018281. The reversal of 455018261 is 162810554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421029361 + 33988900 = 20519^2 + 5830^2 .

It is a cyclic number.

It is not a de Polignac number, because 455018261 - 2¹⁰ = 455017237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455018281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227509130 + 227509131.

It is an arithmetic number, because the mean of its divisors is an integer number (227509131).

Almost surely, 2^455018261 is an apocalyptic number.

It is an amenable number.

455018261 is a deficient number, since it is larger than the sum of its proper divisors (1).

455018261 is an equidigital number, since it uses as much as digits as its factorization.

455018261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 455018261 is about 21331.1570478490. The cubic root of 455018261 is about 769.1474574944.

The spelling of 455018261 in words is "four hundred fifty-five million, eighteen thousand, two hundred sixty-one".