424135505 has 8 divisors (see below), whose sum is σ = 509605992. Its totient is φ = 338879488.

The previous prime is 424135493. The next prime is 424135513. The reversal of 424135505 is 505531424.

It can be written as a sum of positive squares in 4 ways, for example, as 70845889 + 353289616 = 8417^2 + 18796^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 424135505 - 2⁶ = 424135441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49232 + ... + 57201.

It is an arithmetic number, because the mean of its divisors is an integer number (63700749).

Almost surely, 2^424135505 is an apocalyptic number.

It is an amenable number.

424135505 is a deficient number, since it is larger than the sum of its proper divisors (85470487).

424135505 is a wasteful number, since it uses less digits than its factorization.

424135505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107235.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 424135505 is about 20594.5503713968. The cubic root of 424135505 is about 751.3371730593.

Adding to 424135505 its reverse (505531424), we get a palindrome (929666929).

The spelling of 424135505 in words is "four hundred twenty-four million, one hundred thirty-five thousand, five hundred five".