424415401 has 2 divisors, whose sum is σ = 424415402. Its totient is φ = 424415400.

The previous prime is 424415399. The next prime is 424415417. The reversal of 424415401 is 104514424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291589776 + 132825625 = 17076^2 + 11525^2 .

It is a cyclic number.

It is not a de Polignac number, because 424415401 - 2¹ = 424415399 is a prime.

Together with 424415399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (424415471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212207700 + 212207701.

It is an arithmetic number, because the mean of its divisors is an integer number (212207701).

Almost surely, 2^424415401 is an apocalyptic number.

It is an amenable number.

424415401 is a deficient number, since it is larger than the sum of its proper divisors (1).

424415401 is an equidigital number, since it uses as much as digits as its factorization.

424415401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 424415401 is about 20601.3446405811. The cubic root of 424415401 is about 751.5024111528.

Adding to 424415401 its reverse (104514424), we get a palindrome (528929825).

The spelling of 424415401 in words is "four hundred twenty-four million, four hundred fifteen thousand, four hundred one".