424200281 has 2 divisors, whose sum is σ = 424200282. Its totient is φ = 424200280.

The previous prime is 424200241. The next prime is 424200307. The reversal of 424200281 is 182002424.

It is a happy number.

424200281 is nontrivially palindromic in base 4.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311840281 + 112360000 = 17659^2 + 10600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424200281 is a prime.

It is a super-2 number, since 2×424200281² = 359891756800957922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424200211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212100140 + 212100141.

It is an arithmetic number, because the mean of its divisors is an integer number (212100141).

Almost surely, 2^424200281 is an apocalyptic number.

It is an amenable number.

424200281 is a deficient number, since it is larger than the sum of its proper divisors (1).

424200281 is an equidigital number, since it uses as much as digits as its factorization.

424200281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 424200281 is about 20596.1229604020. The cubic root of 424200281 is about 751.3754203794.

The spelling of 424200281 in words is "four hundred twenty-four million, two hundred thousand, two hundred eighty-one".