575249 has 2 divisors, whose sum is σ = 575250. Its totient is φ = 575248.

The previous prime is 575243. The next prime is 575251. The reversal of 575249 is 942575.

Added to its reverse (942575) it gives a square (1517824 = 1232²).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409600 + 165649 = 640^2 + 407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-575249 is a prime.

It is a super-2 number, since 2×575249² = 661822824002, which contains 22 as substring.

Together with 575251, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (575243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287624 + 287625.

It is an arithmetic number, because the mean of its divisors is an integer number (287625).

2⁵⁷⁵²⁴⁹ is an apocalyptic number.

It is an amenable number.

575249 is a deficient number, since it is larger than the sum of its proper divisors (1).

575249 is an equidigital number, since it uses as much as digits as its factorization.

575249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 575249 is about 758.4517123720. The cubic root of 575249 is about 83.1671764785.

Adding to 575249 its reverse (942575), we get a square (1517824 = 1232²).

The spelling of 575249 in words is "five hundred seventy-five thousand, two hundred forty-nine".