595242721 has 2 divisors, whose sum is σ = 595242722. Its totient is φ = 595242720.

The previous prime is 595242701. The next prime is 595242757. The reversal of 595242721 is 127242595.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543402721 + 51840000 = 23311^2 + 7200^2 .

It is a cyclic number.

It is not a de Polignac number, because 595242721 - 2⁵ = 595242689 is a prime.

It is not a weakly prime, because it can be changed into another prime (595242701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297621360 + 297621361.

It is an arithmetic number, because the mean of its divisors is an integer number (297621361).

Almost surely, 2^595242721 is an apocalyptic number.

It is an amenable number.

595242721 is a deficient number, since it is larger than the sum of its proper divisors (1).

595242721 is an equidigital number, since it uses as much as digits as its factorization.

595242721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 595242721 is about 24397.5966234381. The cubic root of 595242721 is about 841.1976119194.

The spelling of 595242721 in words is "five hundred ninety-five million, two hundred forty-two thousand, seven hundred twenty-one".