455505287 has 2 divisors, whose sum is σ = 455505288. Its totient is φ = 455505286.

The previous prime is 455505139. The next prime is 455505371. The reversal of 455505287 is 782505554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455505287 - 2²² = 451310983 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 (455505587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227752643 + 227752644.

It is an arithmetic number, because the mean of its divisors is an integer number (227752644).

Almost surely, 2^455505287 is an apocalyptic number.

455505287 is a deficient number, since it is larger than the sum of its proper divisors (1).

455505287 is an equidigital number, since it uses as much as digits as its factorization.

455505287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280000, while the sum is 41.

The square root of 455505287 is about 21342.5698312082. The cubic root of 455505287 is about 769.4217770641.

The spelling of 455505287 in words is "four hundred fifty-five million, five hundred five thousand, two hundred eighty-seven".