455542517 has 2 divisors, whose sum is σ = 455542518. Its totient is φ = 455542516.

The previous prime is 455542487. The next prime is 455542541. The reversal of 455542517 is 715245554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393982801 + 61559716 = 19849^2 + 7846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455542517 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 (455542547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227771258 + 227771259.

It is an arithmetic number, because the mean of its divisors is an integer number (227771259).

Almost surely, 2^455542517 is an apocalyptic number.

It is an amenable number.

455542517 is a deficient number, since it is larger than the sum of its proper divisors (1).

455542517 is an equidigital number, since it uses as much as digits as its factorization.

455542517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 140000, while the sum is 38.

The square root of 455542517 is about 21343.4420138833. The cubic root of 455542517 is about 769.4427389813.

The spelling of 455542517 in words is "four hundred fifty-five million, five hundred forty-two thousand, five hundred seventeen".