420575133 has 8 divisors (see below), whose sum is σ = 611745696. Its totient is φ = 254894000.

The previous prime is 420575017. The next prime is 420575137. The reversal of 420575133 is 331575024.

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 420575133 - 2¹³ = 420566941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420575133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420575137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6372318 + ... + 6372383.

It is an arithmetic number, because the mean of its divisors is an integer number (76468212).

Almost surely, 2^420575133 is an apocalyptic number.

It is an amenable number.

420575133 is a deficient number, since it is larger than the sum of its proper divisors (191170563).

420575133 is a wasteful number, since it uses less digits than its factorization.

420575133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744715.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 420575133 is about 20507.9285399574. The cubic root of 420575133 is about 749.2289159553.

The spelling of 420575133 in words is "four hundred twenty million, five hundred seventy-five thousand, one hundred thirty-three".