455455261 has 2 divisors, whose sum is σ = 455455262. Its totient is φ = 455455260.

The previous prime is 455455243. The next prime is 455455277. The reversal of 455455261 is 162554554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440748036 + 14707225 = 20994^2 + 3835^2 .

It is a cyclic number.

It is not a de Polignac number, because 455455261 - 2²¹ = 453358109 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455455261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455455241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227727630 + 227727631.

It is an arithmetic number, because the mean of its divisors is an integer number (227727631).

Almost surely, 2^455455261 is an apocalyptic number.

It is an amenable number.

455455261 is a deficient number, since it is larger than the sum of its proper divisors (1).

455455261 is an equidigital number, since it uses as much as digits as its factorization.

455455261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120000, while the sum is 37.

The square root of 455455261 is about 21341.3978220734. The cubic root of 455455261 is about 769.3936087097.

The spelling of 455455261 in words is "four hundred fifty-five million, four hundred fifty-five thousand, two hundred sixty-one".