475159421 has 8 divisors (see below), whose sum is σ = 518954688. Its totient is φ = 431464000.

The previous prime is 475159387. The next prime is 475159423. The reversal of 475159421 is 124951574.

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

It is a de Polignac number, because none of the positive numbers 2^k-475159421 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 (475159423) 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, 14825 + ... + 34206.

It is an arithmetic number, because the mean of its divisors is an integer number (64869336).

Almost surely, 2^475159421 is an apocalyptic number.

It is an amenable number.

475159421 is a deficient number, since it is larger than the sum of its proper divisors (43795267).

475159421 is a wasteful number, since it uses less digits than its factorization.

475159421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49923.

The product of its digits is 50400, while the sum is 38.

The square root of 475159421 is about 21798.1517794514. The cubic root of 475159421 is about 780.3326550626.

The spelling of 475159421 in words is "four hundred seventy-five million, one hundred fifty-nine thousand, four hundred twenty-one".