575230421 has 4 divisors (see below), whose sum is σ = 582160992. Its totient is φ = 568299852.

The previous prime is 575230417. The next prime is 575230459. The reversal of 575230421 is 124032575.

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 575230421 - 2² = 575230417 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575230021) 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 3 ways as a sum of consecutive naturals, for example, 3465161 + ... + 3465326.

It is an arithmetic number, because the mean of its divisors is an integer number (145540248).

Almost surely, 2^575230421 is an apocalyptic number.

It is an amenable number.

575230421 is a deficient number, since it is larger than the sum of its proper divisors (6930571).

575230421 is an equidigital number, since it uses as much as digits as its factorization.

575230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930570.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 575230421 is about 23983.9617452997. The cubic root of 575230421 is about 831.6628110998.

Adding to 575230421 its reverse (124032575), we get a palindrome (699262996).

The spelling of 575230421 in words is "five hundred seventy-five million, two hundred thirty thousand, four hundred twenty-one".