455405519 has 2 divisors, whose sum is σ = 455405520. Its totient is φ = 455405518.

The previous prime is 455405477. The next prime is 455405551. The reversal of 455405519 is 915504554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455405519 is a prime.

It is a super-2 number, since 2×455405519² = 414788373471318722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455405569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227702759 + 227702760.

It is an arithmetic number, because the mean of its divisors is an integer number (227702760).

Almost surely, 2^455405519 is an apocalyptic number.

455405519 is a deficient number, since it is larger than the sum of its proper divisors (1).

455405519 is an equidigital number, since it uses as much as digits as its factorization.

455405519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 455405519 is about 21340.2324026708. The cubic root of 455405519 is about 769.3655982233.

The spelling of 455405519 in words is "four hundred fifty-five million, four hundred five thousand, five hundred nineteen".