575340781 has 2 divisors, whose sum is σ = 575340782. Its totient is φ = 575340780.

The previous prime is 575340769. The next prime is 575340793. The reversal of 575340781 is 187043575.

It is a balanced prime because it is at equal distance from previous prime (575340769) and next prime (575340793).

It can be written as a sum of positive squares in only one way, i.e., 455438281 + 119902500 = 21341^2 + 10950^2 .

It is a cyclic number.

It is not a de Polignac number, because 575340781 - 2¹⁹ = 574816493 is a prime.

It is a super-2 number, since 2×575340781² = 662034028563379922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (575340581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287670390 + 287670391.

It is an arithmetic number, because the mean of its divisors is an integer number (287670391).

Almost surely, 2^575340781 is an apocalyptic number.

It is an amenable number.

575340781 is a deficient number, since it is larger than the sum of its proper divisors (1).

575340781 is an equidigital number, since it uses as much as digits as its factorization.

575340781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 575340781 is about 23986.2623390974. The cubic root of 575340781 is about 831.7159935206.

The spelling of 575340781 in words is "five hundred seventy-five million, three hundred forty thousand, seven hundred eighty-one".