575257247 has 2 divisors, whose sum is σ = 575257248. Its totient is φ = 575257246.

The previous prime is 575257231. The next prime is 575257261. The reversal of 575257247 is 742752575.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 575257247 - 2⁴ = 575257231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 575257198 and 575257207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (575257217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287628623 + 287628624.

It is an arithmetic number, because the mean of its divisors is an integer number (287628624).

Almost surely, 2^575257247 is an apocalyptic number.

575257247 is a deficient number, since it is larger than the sum of its proper divisors (1).

575257247 is an equidigital number, since it uses as much as digits as its factorization.

575257247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 686000, while the sum is 44.

The square root of 575257247 is about 23984.5209875036. The cubic root of 575257247 is about 831.6757391596.

The spelling of 575257247 in words is "five hundred seventy-five million, two hundred fifty-seven thousand, two hundred forty-seven".