575122421 has 4 divisors (see below), whose sum is σ = 579651072. Its totient is φ = 570593772.

The previous prime is 575122417. The next prime is 575122453. The reversal of 575122421 is 124221575.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 575122421 - 2² = 575122417 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 (575122481) 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, 2264135 + ... + 2264388.

It is an arithmetic number, because the mean of its divisors is an integer number (144912768).

Almost surely, 2^575122421 is an apocalyptic number.

It is an amenable number.

575122421 is a deficient number, since it is larger than the sum of its proper divisors (4528651).

575122421 is a wasteful number, since it uses less digits than its factorization.

575122421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528650.

The product of its digits is 5600, while the sum is 29.

The square root of 575122421 is about 23981.7101350175. The cubic root of 575122421 is about 831.6107593757.

Adding to 575122421 its reverse (124221575), we get a palindrome (699343996).

The spelling of 575122421 in words is "five hundred seventy-five million, one hundred twenty-two thousand, four hundred twenty-one".