575749213 has 8 divisors (see below), whose sum is σ = 624565368. Its totient is φ = 527579904.

The previous prime is 575749147. The next prime is 575749243. The reversal of 575749213 is 312947575.

It can be written as a sum of positive squares in 4 ways, for example, as 1044484 + 574704729 = 1022^2 + 23973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-575749213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 575749213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575749243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159856 + ... + 163417.

It is an arithmetic number, because the mean of its divisors is an integer number (78070671).

Almost surely, 2^575749213 is an apocalyptic number.

It is an amenable number.

575749213 is a deficient number, since it is larger than the sum of its proper divisors (48816155).

575749213 is a wasteful number, since it uses less digits than its factorization.

575749213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323423.

The product of its digits is 264600, while the sum is 43.

The square root of 575749213 is about 23994.7747020054. The cubic root of 575749213 is about 831.9127575289.

The spelling of 575749213 in words is "five hundred seventy-five million, seven hundred forty-nine thousand, two hundred thirteen".