424515389 has 4 divisors (see below), whose sum is σ = 424801980. Its totient is φ = 424228800.

The previous prime is 424515383. The next prime is 424515397. The reversal of 424515389 is 983515424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160452889 + 264062500 = 12667^2 + 16250^2 .

It is a cyclic number.

It is not a de Polignac number, because 424515389 - 2¹² = 424511293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424515383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141062 + ... + 144039.

It is an arithmetic number, because the mean of its divisors is an integer number (106200495).

Almost surely, 2^424515389 is an apocalyptic number.

It is an amenable number.

424515389 is a deficient number, since it is larger than the sum of its proper divisors (286591).

424515389 is a wasteful number, since it uses less digits than its factorization.

424515389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286590.

The product of its digits is 172800, while the sum is 41.

The square root of 424515389 is about 20603.7712324710. The cubic root of 424515389 is about 751.5614219889.

The spelling of 424515389 in words is "four hundred twenty-four million, five hundred fifteen thousand, three hundred eighty-nine".