422520253 has 2 divisors, whose sum is σ = 422520254. Its totient is φ = 422520252.

The previous prime is 422520251. The next prime is 422520257. The reversal of 422520253 is 352025224.

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., 404090404 + 18429849 = 20102^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 422520253 - 2¹ = 422520251 is a prime.

Together with 422520251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422520251) 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, 211260126 + 211260127.

It is an arithmetic number, because the mean of its divisors is an integer number (211260127).

Almost surely, 2^422520253 is an apocalyptic number.

It is an amenable number.

422520253 is a deficient number, since it is larger than the sum of its proper divisors (1).

422520253 is an equidigital number, since it uses as much as digits as its factorization.

422520253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 422520253 is about 20555.2974437248. The cubic root of 422520253 is about 750.3821773690.

Adding to 422520253 its reverse (352025224), we get a palindrome (774545477).

The spelling of 422520253 in words is "four hundred twenty-two million, five hundred twenty thousand, two hundred fifty-three".