422042513 has 2 divisors, whose sum is σ = 422042514. Its totient is φ = 422042512.

The previous prime is 422042501. The next prime is 422042623. The reversal of 422042513 is 315240224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417303184 + 4739329 = 20428^2 + 2177^2 .

It is a cyclic number.

It is not a de Polignac number, because 422042513 - 2⁶ = 422042449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422042813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211021256 + 211021257.

It is an arithmetic number, because the mean of its divisors is an integer number (211021257).

Almost surely, 2^422042513 is an apocalyptic number.

It is an amenable number.

422042513 is a deficient number, since it is larger than the sum of its proper divisors (1).

422042513 is an equidigital number, since it uses as much as digits as its factorization.

422042513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 422042513 is about 20543.6733083448. The cubic root of 422042513 is about 750.0992538273.

Adding to 422042513 its reverse (315240224), we get a palindrome (737282737).

The spelling of 422042513 in words is "four hundred twenty-two million, forty-two thousand, five hundred thirteen".