424396481 has 2 divisors, whose sum is σ = 424396482. Its totient is φ = 424396480.

The previous prime is 424396477. The next prime is 424396519. The reversal of 424396481 is 184693424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424360000 + 36481 = 20600^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 424396481 - 2² = 424396477 is a prime.

It is a super-2 number, since 2×424396481² = 360224746170366722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (424395481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212198240 + 212198241.

It is an arithmetic number, because the mean of its divisors is an integer number (212198241).

Almost surely, 2^424396481 is an apocalyptic number.

It is an amenable number.

424396481 is a deficient number, since it is larger than the sum of its proper divisors (1).

424396481 is an equidigital number, since it uses as much as digits as its factorization.

424396481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 424396481 is about 20600.8854421357. The cubic root of 424396481 is about 751.4912439199.

The spelling of 424396481 in words is "four hundred twenty-four million, three hundred ninety-six thousand, four hundred eighty-one".