424423481 has 2 divisors, whose sum is σ = 424423482. Its totient is φ = 424423480.

The previous prime is 424423477. The next prime is 424423487. The reversal of 424423481 is 184324424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422508025 + 1915456 = 20555^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 424423481 - 2² = 424423477 is a prime.

It is a super-2 number, since 2×424423481² = 360270582448314722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424423487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212211740 + 212211741.

It is an arithmetic number, because the mean of its divisors is an integer number (212211741).

Almost surely, 2^424423481 is an apocalyptic number.

It is an amenable number.

424423481 is a deficient number, since it is larger than the sum of its proper divisors (1).

424423481 is an equidigital number, since it uses as much as digits as its factorization.

424423481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 32.

The square root of 424423481 is about 20601.5407433522. The cubic root of 424423481 is about 751.5071801448.

The spelling of 424423481 in words is "four hundred twenty-four million, four hundred twenty-three thousand, four hundred eighty-one".