575712121 has 2 divisors, whose sum is σ = 575712122. Its totient is φ = 575712120.

The previous prime is 575712107. The next prime is 575712131. The reversal of 575712121 is 121217575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366186496 + 209525625 = 19136^2 + 14475^2 .

It is a cyclic number.

It is not a de Polignac number, because 575712121 - 2¹¹ = 575710073 is a prime.

It is not a weakly prime, because it can be changed into another prime (575712101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287856060 + 287856061.

It is an arithmetic number, because the mean of its divisors is an integer number (287856061).

Almost surely, 2^575712121 is an apocalyptic number.

It is an amenable number.

575712121 is a deficient number, since it is larger than the sum of its proper divisors (1).

575712121 is an equidigital number, since it uses as much as digits as its factorization.

575712121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4900, while the sum is 31.

The square root of 575712121 is about 23994.0017712761. The cubic root of 575712121 is about 831.8948921285.

Adding to 575712121 its reverse (121217575), we get a palindrome (696929696).

The spelling of 575712121 in words is "five hundred seventy-five million, seven hundred twelve thousand, one hundred twenty-one".