420541541 has 8 divisors (see below), whose sum is σ = 481328064. Its totient is φ = 359932320.

The previous prime is 420541523. The next prime is 420541543. The reversal of 420541541 is 145145024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420541541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420541541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420541543) 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, 39200 + ... + 48761.

It is an arithmetic number, because the mean of its divisors is an integer number (60166008).

Almost surely, 2^420541541 is an apocalyptic number.

It is an amenable number.

420541541 is a deficient number, since it is larger than the sum of its proper divisors (60786523).

420541541 is an equidigital number, since it uses as much as digits as its factorization.

420541541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88651.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 420541541 is about 20507.1095232848. The cubic root of 420541541 is about 749.2089680587.

Adding to 420541541 its reverse (145145024), we get a palindrome (565686565).

The spelling of 420541541 in words is "four hundred twenty million, five hundred forty-one thousand, five hundred forty-one".