573761 has 2 divisors, whose sum is σ = 573762. Its totient is φ = 573760.

The previous prime is 573757. The next prime is 573763. The reversal of 573761 is 167375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323761 + 250000 = 569^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 573761 - 2² = 573757 is a prime.

Together with 573763, 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 (573763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286880 + 286881.

It is an arithmetic number, because the mean of its divisors is an integer number (286881).

2⁵⁷³⁷⁶¹ is an apocalyptic number.

It is an amenable number.

573761 is a deficient number, since it is larger than the sum of its proper divisors (1).

573761 is an equidigital number, since it uses as much as digits as its factorization.

573761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 29.

The square root of 573761 is about 757.4701314243. The cubic root of 573761 is about 83.0954048827.

The spelling of 573761 in words is "five hundred seventy-three thousand, seven hundred sixty-one".