417242545 has 8 divisors (see below), whose sum is σ = 512335296. Its totient is φ = 326031216.

The previous prime is 417242537. The next prime is 417242549. The reversal of 417242545 is 545242714.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 417242545 - 2³ = 417242537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 417242545.

It is not an unprimeable number, because it can be changed into a prime (417242549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970117 + ... + 970546.

It is an arithmetic number, because the mean of its divisors is an integer number (64041912).

Almost surely, 2^417242545 is an apocalyptic number.

It is an amenable number.

417242545 is a deficient number, since it is larger than the sum of its proper divisors (95092751).

417242545 is a wasteful number, since it uses less digits than its factorization.

417242545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940711.

The product of its digits is 44800, while the sum is 34.

The square root of 417242545 is about 20426.5157332326. The cubic root of 417242545 is about 747.2447318733.

The spelling of 417242545 in words is "four hundred seventeen million, two hundred forty-two thousand, five hundred forty-five".