575474749 has 2 divisors, whose sum is σ = 575474750. Its totient is φ = 575474748.

The previous prime is 575474723. The next prime is 575474759. The reversal of 575474749 is 947474575.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 572070724 + 3404025 = 23918^2 + 1845^2 .

It is a cyclic number.

It is not a de Polignac number, because 575474749 - 2¹¹ = 575472701 is a prime.

It is a super-2 number, since 2×575474749² = 662342373473226002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 575474696 and 575474705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (575474759) 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 as a sum of consecutive naturals, namely, 287737374 + 287737375.

It is an arithmetic number, because the mean of its divisors is an integer number (287737375).

Almost surely, 2^575474749 is an apocalyptic number.

It is an amenable number.

575474749 is a deficient number, since it is larger than the sum of its proper divisors (1).

575474749 is an equidigital number, since it uses as much as digits as its factorization.

575474749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4939200, while the sum is 52.

The square root of 575474749 is about 23989.0547750427. The cubic root of 575474749 is about 831.7805434851.

The spelling of 575474749 in words is "five hundred seventy-five million, four hundred seventy-four thousand, seven hundred forty-nine".