427575133 has 4 divisors (see below), whose sum is σ = 428786748. Its totient is φ = 426363520.

The previous prime is 427575119. The next prime is 427575139. The reversal of 427575133 is 331575724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110628324 + 316946809 = 10518^2 + 17803^2 .

It is a cyclic number.

It is not a de Polignac number, because 427575133 - 2⁹ = 427574621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427575092 and 427575101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427575139) 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 3 ways as a sum of consecutive naturals, for example, 605278 + ... + 605983.

It is an arithmetic number, because the mean of its divisors is an integer number (107196687).

Almost surely, 2^427575133 is an apocalyptic number.

It is an amenable number.

427575133 is a deficient number, since it is larger than the sum of its proper divisors (1211615).

427575133 is a wasteful number, since it uses less digits than its factorization.

427575133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211614.

The product of its digits is 88200, while the sum is 37.

The square root of 427575133 is about 20677.8899552154. The cubic root of 427575133 is about 753.3627565496.

The spelling of 427575133 in words is "four hundred twenty-seven million, five hundred seventy-five thousand, one hundred thirty-three".