420063517 has 8 divisors (see below), whose sum is σ = 430511840. Its totient is φ = 409646160.

The previous prime is 420063493. The next prime is 420063563. The reversal of 420063517 is 715360024.

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 420063517 - 2¹⁹ = 419539229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420063577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21034 + ... + 35812.

It is an arithmetic number, because the mean of its divisors is an integer number (53813980).

Almost surely, 2^420063517 is an apocalyptic number.

It is an amenable number.

420063517 is a deficient number, since it is larger than the sum of its proper divisors (10448323).

420063517 is a wasteful number, since it uses less digits than its factorization.

420063517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15483.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 420063517 is about 20495.4511294580. The cubic root of 420063517 is about 748.9249884624.

The spelling of 420063517 in words is "four hundred twenty million, sixty-three thousand, five hundred seventeen".