575215420 has 48 divisors (see below), whose sum is σ = 1303229088. Its totient is φ = 212002560.

The previous prime is 575215397. The next prime is 575215423. The reversal of 575215420 is 24512575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575215423) 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 15 ways as a sum of consecutive naturals, for example, 170187 + ... + 173533.

It is an arithmetic number, because the mean of its divisors is an integer number (27150606).

Almost surely, 2^575215420 is an apocalyptic number.

It is an amenable number.

575215420 is an abundant number, since it is smaller than the sum of its proper divisors (728013668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

575215420 is a wasteful number, since it uses less digits than its factorization.

575215420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030 (or 4028 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 575215420 is about 23983.6490134425. The cubic root of 575215420 is about 831.6555816014.

Adding to 575215420 its reverse (24512575), we get a palindrome (599727995).

The spelling of 575215420 in words is "five hundred seventy-five million, two hundred fifteen thousand, four hundred twenty".